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Sensors

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  1. $280.00
    SKU: R-454C-Gas-50%-LEL

    Macurco R-454C-Gas-50%-LEL 34L Refrigerant R-454C Male Calibration Cylinder

    • Calibration Gas Cylinder
    • 34 L Net Content
    • Refrigerant R-454C Gas
    $280.00
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  2. $3.54
    SKU: SM-407-5TQ/W

    Seco-Larm SM-407-5TQ/W 3/8" Screw-Terminal Recessed-Mount Magnetic Contact

    • Used for protecting sliding doors and windows where space is limited
    • Gold-plated terminals for longer expected life and reliability
    • Screw terminals
    • High-impact ABS plastic
    • Miniature size for easier concealment
    $3.54
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  3. $77.62
    SKU: ISC-FPB1-W30DS

    Bosch ISC-FPB1-W30DS Photoelectric Detector

    • Dual beam detection improves false alarm immunity
    • Range up to 90 m (300 ft) outdoors, 180 m (600 ft) indoors
    • Selectable response time
    • Small unobtrusive design
    $77.62
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  4. $179.31
    SKU: CLIP-MCW

    Visonic CLIP-MCW CLIP-MCW Powercode Wireless Solid Curtain PIR

    • Ultimate false alarm elimination via patented TMR algorithm
    • 3-volt long-life high power standard lithium battery
    • Attractive, sleek design suitable for any home or office
    • Several optional frequencies available in compliance with international standards
    • Clip MCW T model is offered with back tamper
    $179.31
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  5. $97.78
    SKU: SPY-4

    Visonic SPY-4 PIR Motion Detector Curtain

    • Virtually unnoticeable after mounting
    • Designed for securing corridors, doors, windows or skylights
    • Ideal for controlling CCTV, access control and other systems
    • Ceiling or wall mounting
    • Tiny size: Diameter: 19 mm (0.75 in) Length: 70 mm (2.75 in)
    $97.78
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  6. $121.00
    SKU: HS-L1.5-121

    Magnasphere HS-L1.5-121 Surface Mount, Dual Alarm Contact

    • Tested to 9th edition UL 634 Level 1 high security (both in-swing and out-swing doors)
    • Made with Magnasphere switch technology
    • Single and Dual alarm contacts
    • No adjustment required for installation
    • No brackets needed for most out-swing door installations
    $121.00
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  7. $4.13
    SKU: N25WGB-ST

    Nascom N25WGB-ST Mini Stick on Switch / Magnet Set W1/4" x H1/4" x L1-1/4", End Wire Leads, Brown

    • 12" 22AWG Wire Leads
    • Encapsulated Hermetically Sealed Contacts
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    • 3M VHB (Very High Bond) Double Sided Tape
    • ABS Housings
    $4.13
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  8. $103.00
    SKU: ISC-FPB1-W90DS

    Bosch ISC-FPB1-W90DS Photoelectric Detector

    • Dual beam detection improves false alarm immunity
    • Range up to 90 m (300 ft) outdoors, 180 m (600 ft) indoors
    • Selectable response time
    • Small unobtrusive design
    $103.00
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  9. $54.90
    SKU: BO-60-499-11-319.5

    Bosch BO-60-499-11-319.5 Slim Line Door & Window Sensor, Brown

    • Flat design
    • Fits in most small areas
    • Replaceable battery
    $54.90
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  10. was $322.00 Special Price $317.00
    SKU: FM141

    Linear FM141 150 Feet Vehicle Sensor Exit Wand

    • Electromagnetic sensor detects vehicles-in-motion
    • Compatible with all automatic gate operators, or other systems requiring a dry contact input device
    • Wide input voltage range (8-26 V AC or 11-30 V DC)
    • Ideal for solar application, 1.5 mA current consumption
    • Relay latch time of 2 seconds. May not be used as a safety device
    was $322.00 Special Price $317.00
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  11. $2,007.50
    SKU: NEXUS

    Comelit NEXUS Face Recognition Panel with 8" Touch-Screen LCD

    • 8 inch LCD screen
    • 2MP Binocular lens, f = 3.97mm @ F1.6
    • High precision body temperature measurement ± 0.3 ° C
    • Camera with integrated DVA (Deep Video Analysis) algorithm for facial recognition
    • Facial recognition at a distance up to 2.2m
    $2,007.50
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  12. $28.00
    SKU: BP33-A

    United Security Products BP33-A Mini OHD Contact with Adjustable Magnet - 2.25" Gap

    • Extra wide 2.25" gap
    • Rugged aluminum construction
    • Miniature 3.5" x 1.5" size
    • Premium rhodium metal contacts
    • Alnico 5 magnets
    $28.00
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  13. $99.31
    SKU: ISC-PPR1-WA16G

    Radionix by Bosch ISC-PPR1-WA16G 60' Professional Series PIR w/Multi-Point Antimask

    • 16 m x 21 m (50 ft x 70 ft) standard coverage; 8 m x 10 m (25 ft x 33 ft) selectable short range coverage
    • EN50131-2-2 Grade 3 compliant
    • Sensor data fusion technology
    • Tri-focus optics technology
    • MANTIS anti-mask
    $99.31
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  14. $2.93
    SKU: SM-200Q-BR

    Seco-Larm SM-200Q-BR Surface Mount N.C. Magnetic Contact with Screw Terminals, Brown

    • Surface-mounted contact for closed loop applications
    • Screw terminals for quick installation
    • Includes terminal cover (model SM-823Q)
    • GAP: 3/4" (19mm)
    • Dimensions: 2-1/2"x9/16"x1/2" (63.5x14x13 mm)
    $2.93
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  15. $105.95
    SKU: GEM-SMK

    Napco GEM-SMK Wireless Smoke Detector

    • Long 5-year battery life, typ. (batteries included)
    • Compact 5.2 inch diameter; attractive decorator white
    • Built-in silence feature and test button
    • Visual LED indicates alarm & standby
    • Audible/visual indicator for low battery and need for detector cleaning
    $105.95
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  16. $66.52
    SKU: 2GIG-DW30E-900

    Linear 2GIG-DW30E-900 E+ Extended Range, Expanded Opportunities, Outdoor Wireless Contact Sensor

    • Extended Range of up to to 1.2 miles with 900MHz spectrum
    • Designed for extreme weather conditions (IP56) and water resistant (-40° to 150° F)
    • Paintable casing to match mounting surface
    • Wide magnet gap (up to 1.3”) for yard gates, swimming pool access, or detached garages
    • Battery life up to 5-years
    $66.52
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  17. $4.58
    SKU: SM-4105-LQ/W

    Seco-Larm SM-4105-LQ/W 3/4" Steel Door Recessed-Mount Magnetic Contact Switch, White

    • Used for steel framed doors and windows where space is limited or to avoid unsightly installations
    • Strong one-piece construction
    • 18" (46cm) wire leads
    • High-impact ABS plastic
    • Switch and magnet have ribs for securing in holes
    $4.58
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  18. $224.99
    SKU: FM139

    Linear FM139 50' Vehicle Sensor Exit Wand

    • Electromagnetic sensor detects vehicles-in-motion
    • Compatible with all automatic gate operators, or other systems requiring a dry contact input device
    • Wide input voltage range (8-26 V AC or 11-30 V DC)
    • Ideal for solar application, 1.5 mA current consumption
    • Relay latch time of 2 seconds. May not be used as a safety device
    $224.99
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  19. $88.75
    SKU: MSS-19CL-W

    Magnasphere MSS-19CL-W 3/4" Recessed / Concealed Contact Open Loop, White, 10 Pack

    • Made with Magnasphere Switch Technology
    • Won™t break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $88.75
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  20. $42.56
    SKU: CS-PD422-PQ

    Seco-Larm CS-PD422-PQ Infrared Proximity Sensor, 22mm, Stainless Steel

    • No-touch operation reduces the risk of spread of germs, viruses, etc., through cross-contamination
    • Adjustable sensor range up to 6" (15cm) 1A relay, adjustable trigger duration 0.5~20 seconds or toggle
    • Selectable LED colors (turns from red to green or green to red) to show if the sensor is activated
    • Weather-resistant (IP65*) for outdoor use
    $42.56
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  21. $77.75
    SKU: ISC-PDL1-W18G

    Radionix by Bosch ISC-PDL1-W18G Professional Series TriTech Detector

    • 18 m x 25 m (60 ft x 80 ft) coverage, field selectable to 8 m x 10 m (25 ft x 33 ft)
    • EN50131-2-4 Grade 2 compliant
    • Sensor data fusion technology
    • Tri-focus optics technology
    • Range adaptive radar
    $77.75
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  22. was $106.95 Special Price $72.00
    SKU: SD-9773-KNEVQ

    Seco-Larm SD-9773-KNEVQ Outdoor Wave-to-Open Sensors, Surface-Mount

    • Outdoor Wave-to-Open Sensors
    • Surface-Mount
    was $106.95 Special Price $72.00
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  23. $16.50
    SKU: MSS-K22-W

    Magnasphere MSS-K22-W Surface Mount Contact Open Loop with Terminals, White

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $16.50
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  24. $11.68
    SKU: N1178CB-STFB

    Nascom N1178CB-STFB Recessed 3/4" Stubby Open Loop Switch / Magnet Set for Steel / Wood Doors, Wire Leads, Brown

    • Snap Fit on Steel - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • 12" 22AWG Wire Leads
    • Polypropylene Housings
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $11.68
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  25. $280.00
    SKU: R-454B-Gas-1000-PPM

    Macurco R-454B-Gas-1000-PPM Refrigerant Calibration Gas Cylinder 34L 50% LEL R-454B (M)

    • R-454B refrigerant calibration gas
    • 50% LEL concentration for reliable testing
    • 34-liter gas cylinder
    • Ensures accurate sensor calibration and verification
    • Ideal for HVAC and refrigeration applications
    $280.00
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  26. $220.00
    SKU: WXS-AM

    Optex WXS-AM 180° Panoramic Outdoor PIR Detector

    • Up to 40', 180 degree outdoor PIR with anti-masking
    • 4 PIR providing left/ right double layered detection for pet tolerance
    • Selectable low (2.6'-4') or high (6.5') mount
    • Independent left/ right detection areas and alarm outputs - ideal for CCTV
    $220.00
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  27. $71.87
    SKU: RFMS-ZBMS-3

    Bosch RFMS-ZBMS-3 Wireless Sensor, 3 pack

    • 5 year or greater battery life with a single CR2 battery
    • Reliable door/window installation is assured with LED indicators for radio link quality, and detector/ magnet alignment
    • Best in class false alarm immunity and installation flexibility through use of 1.3 inch (33 mm) break distance width Hall effect sensor
    $71.87
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  28. $46.80
    SKU: 20RS-12-W

    GRI 20RS-12-W Miniature Recessed Switch Set, 1/2" Gap Closed Loop, White

    • Ideal for thin framed doors and windows
    • Recessed magnetic contact
    • Press to fit
    • 12″ #22AWG leads or screw terminals
    • Longer leads, zip cord or jacketed cable upon request
    $46.80
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  29. $34.44
    SKU: N505AUTM-ST

    Nascom N505AUTM-ST 2-1/4" Overhead Door Rail Mount Magnet / Switch Set Featuring No Dead Spot Technology, Silver

    • No Dead Spot Technology
    • Extruded Anodized (Type II) Aluminum
    • Quick Switch Install - Less than 60 seconds
    • Flip the Switch - Gap is not Impacted By Cable Direction
    • Universal Mount
    $34.44
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  30. $26.22
    SKU: MSS-301C-WG-GREY

    Magnasphere MSS-301C-WG-GREY 1" Recessed with 1 switch, 1 Closed Loop with Extended Reach Magnet (5/8" min gap) - Grey

    • Multiple (2 or 3) individual contact outputs
    • Available in closed and open loop configurations
    • Available in 1" diameter recessed, and surface mount, armored cable version
    • Cost competitive
    • UL and ULC listed
    $26.22
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  31. $16.94
    SKU: N78BLK-STDD

    Nascom N78BLK-STDD Recessed 1" PTF DPDT Switch/Magnet Set for Steel/Wood Doors, Wire Leads, Black

    • Snap fit on steel - no glue required
    • 12" 22AWG wire leads
    • Wide gap - N35 NdFeB rare earth magnetт
    • Encapsulated hermetically sealed contacts
    • Polypropylene housings
    $16.94
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  32. $8.70
    SKU: NC1175TWUM-ST1KBD

    Nascom NC1175TWUM-ST1KBD NC1175TUM White Set with 1K Resistor and A Blue Dot

    • Press Fit - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • Polypropylene Switch Housing
    • Listed To UL634 Standard
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $8.70
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  33. $3.36
    SKU: SM-431-TQ/W

    Seco-Larm SM-431-TQ/W Screw-Terminal Surface-Mount Magnetic Contacts, White

    • Miniature surface-mount magnetic contacts
    • Screw mount using side tabs or break off tabs for adhesive mount
    • Gold-plated screw terminals for longer expected life and reliability
    • Tape to cover screw terminals included
    • 1" (25mm) Gap
    $3.36
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  34. $16.07
    SKU: SM-226RQ

    Seco-Larm SM-226RQ Overhead Door-Mount N.C. Magnetic Contact

    • Switch contained in curved, low-profile, cast-aluminum housing
    • Magnet enclosed in round bracket
    • 24" (61cm) Wire leads enclosed in stainless-steel cable
    • 2-3/4" (70mm) Gap
    • Switch dimensions: 4-3/8"x1-3/4"x7/16" (111x44x11 mm)
    $16.07
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  35. $381.44
    SKU: ISC-FPB1-W120QF

    Bosch ISC-FPB1-W120QF 4 Channel Quad-Beam Photoelectric Detector

    • Quad beam detection
    • Environmental discrimination circuit
    • Beam power control to reduce cross-talk
    $381.44
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  36. $287.37
    SKU: ISC-FPB1-W60QF

    Bosch ISC-FPB1-W60QF 4 Channel Quad-Beam Photoelectric Detector

    • Quad beam detection
    • Environmental discrimination circuit
    • Beam power control to reduce cross-talk
    $287.37
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  37. $159.00
    SKU: QXI-DT

    Optex QXI-DT Hard-Wired Model with Anti-Blocking and Dual-Technology

    • 40', 120 degree outdoor PIR with anti-blocking
    • Dual-technology for greater stability, double layered detection and pet tolerant
    • High (7'-9') mount or low mount (2.6'-4') for pet alley mode
    • SMDA logic and double conductive shielding to minimize nuisance alarms
    $159.00
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  38. $33.74
    SKU: ISN-CSD70-W

    Radionix by Bosch ISN-CSD70-W 3/4" White Stubby Recessed Contact - 10pk

    • Closed loop
    • Sensitive non-stick rhodium reed
    • Bent long leads keep solder off the glass of the reed
    • Two solder points on the wire
    • Thick plastic shell resists crushing
    $33.74
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  39. $18.52
    SKU: N1178CB-STDD

    Nascom N1178CB-STDD Recessed 3/4" Stubby DPDT Switch / Magnet Set for Steel / Wood Doors, Wire Leads, Brown

    • Snap Fit on Steel - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • 12" 22AWG Wire Leads
    • Polypropylene Housings
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $18.52
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  40. $15.44
    SKU: N78B-STSD

    Nascom N78B-STSD Recessed 1" PTF SPDT Switch/Magnet Set for Steel/Wood Doors, Wire Leads

    • Recessed 1" PTF SPDT Switch/Magnet Set for Steel/Wood Doors
    • Wire Leads
    $15.44
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  41. $10.89
    SKU: 240-8

    United Security Products 240-8 240 Twist LOC with 0.4mm Rare Earth Magnet

    • 0.6 Inch Gap
    • Size 1/4″ x 1/2″
    • Closed Circuit
    • 24″ Leads
    • 0.4″ diameter disc magnet
    $10.89
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  42. $10.57
    SKU: 142-SP

    United Security Products 142-SP Wide Gap 3/8" Press Fit Contact, SPDT 0.70" Gap

    • Wide gap 3/8" press fit contact
    • SPDT - 0.70" gap
    $10.57
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  43. $7.32
    SKU: 150-SP

    United Security Products 150-SP 3/8" x 3/5" Stubby Press Fit Contact, CC

    • 3/8″ x 1/2″ Stubby Press Fit
    • 0.50 Inch Gap
    • Rhodium Contacts
    • Pre-Wired 24″ Inch Leads
    • Powerful Rare Earth Magnet
    $7.32
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  44. $7.18
    SKU: 130-SP

    United Security Products 130-SP Wide Gap Mini Stick-on Contact 1.0' Gap - CC

    • 1" SP Wide Gap Performance
    • Rhodium Contacts
    • Self-Adhesive or Screw Mounting
    • Ideal for Sliding Doors and Windows
    • Break-away Flange
    $7.18
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  45. $4.85
    SKU: N25WGSW-SW1K

    Nascom N25WGSW-SW1K Mini Rectangular Stick On Closed Loop Switch Only with 1K Res In Ser, Wire Leads

    • Mini Rectangular Stick On Closed Loop Switch Only
    • 1K Res In Ser
    • Wire Leads
    $4.85
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  46. $656.25
    SKU: TX-12-ND WHITE

    Macurco TX-12-ND WHITE 120V Nitrogen Dioxide Fixed Gas Detector Controller and Transducer, White Housing

    • Mounts on a standard 4" x 4" electrical box
    • 5 A SPDT relay controls valves, louvers or exhaust fans
    • 0.5 A N.O. or N.C alarm relay connects to warning devices or control panels
    • 4-20mA current loop - compatible with the Macurco DVP-120 Control Panel
    • Supervised system design: detector problem will cause relay activation
    $656.25
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  47. $27.00
    SKU: MSS-RFS-200-W

    Magnasphere MSS-RFS-200-W 3.2" Wireless Door Contact Compatible with Honeywell, White

    • Made in America
    • Smaller / Narrow switch package
    • Higher Security Magnasphere Switch technology
    • Superior RF performance even on steel surfaces
    • Ultra-low current draw extends battery life (up to 14+ years)
    $27.00
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  48. $320.00
    SKU: HS-1452-L1-5-111

    Magnasphere HS-1452-L1-5-111 Roll Up Door Bracket with HS L1.5 Pre-Mounted, Right Side

    • Roll Up Door Bracket with HS L1.5 Pre-Mounted
    • Right Side
    • Specify HS L1.5 P/N Required
    $320.00
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  49. $38.00
    SKU: AC-05

    ENS AC-05 Door Sensor

    • Door Sensor
    $38.00
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  50. $361.20
    SKU: HX-80NRAMi

    Optex HX-80NRAMi Wireless 80' Long & Narrow High Mount Outdoor PIR

    • Compatable with most manufacturer's wireless systems (HX-80NRAM)
    • Includes Inovonics EchoStream EN1941 and battery pre-installed (iSERIES HX-80NRAMi)
    • Active IR Digital Anti-Masking
    • Intelligent 'AND' logic with unique pyro-element
    • Summer Night Compensation logic
    $361.20
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  51. $303.95
    SKU: WMD515

    Alpha WMD515 Wireless Motion Detector PIR

    • Non-returnable or refundable
    $303.95
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  52. $211.00
    SKU: EN1260

    Bosch EN1260 PIR Motion Sensor Transmitter

    • 15.2 m x 15.2 m (50 ft x 50 ft) coverage
    • Automatic supervision of radio link
    • Low power consumption
    • Highly sensitive to moving infrared radiation
    • Immunity to Radio Frequency Interference (RFI), vibration, static, lightning, and ambient temperature changes
    $211.00
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  53. $170.00
    SKU: EN1263

    Inovonics EN1263 Motion Detector with Pet Immunity

    • Wall mount quad element PIR sensor
    • Intelligent sleep timer extends battery life in high traffic environments
    • Supervision of low battery and tamper for reliability
    • Walk test capability to help ensure functionality
    $170.00
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  54. $85.74
    SKU: P-6-22

    United Security Products P-6-22 Wheelchair-Seat Sensor Pad, 9"x16"

    • Signals resident attempts to exit
    • For wheelchair use (4 ft. cord), place Sensor Pad UNDER or on Top of cushion
    • Can be used to detect resident in bathtub or shower for entry or exit
    $85.74
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  55. $74.00
    SKU: MK-3002-BL

    Magnasphere MK-3002-BL 1 Inch Recessed with 3 Switches, 3 Closed Loop, Black

    • 1" recessed with 3 switches, 3 closed loop (Circuit A = 1kohm series & parallel EOL resistors, Circuit B = 1kohm series EOL resistor and Circuit C = No EOL Resistors)
    • Extended reach magnet and MSS-1605 channel magnet - Black
    $74.00
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  56. $72.75
    SKU: SPC-6-22

    United Security Products SPC-6-22 9" X 16" Wheelchair/Seat Cushioned Sensor Pad

    • Wheelchair/Seat Cushioned Sensor Pad
    $72.75
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  57. $18.39
    SKU: MSS-89SL-W

    Magnasphere MSS-89SL-W Surface Mount Contact Open Loop with 12" Jacketed Leads, White

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $18.39
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  58. $18.25
    SKU: 6540U

    GE Security Interlogix , 6540U, 12M 40' PIR

    • Passive infrared volumetric motion sensor
    • Digital signal processing
    • Stylish design
    • Quick to install
    • Built-in EOL resistor of 3.3k Ohm
    $18.25
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  59. $17.75
    SKU: P-13-22

    United Security Products P-13-22 4" x 6" Incontinence Sensor Pad

    • Incontinence sensor pad (4" x 6") mounts beneath sheet in bed or under light cloth on chair
    $17.75
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  60. $7.07
    SKU: A1-D

    United Security Products A1-D Arrowhead "Load and Lock" 3/8" Contact with Disc Magnet

    • CC
    • Up to 3/4″ Gap
    • No More Silicone or Glue!
    • Self thread into 3/8″ drilled wood
    • One Turn Locks in Place, One Turn Removes For Tests
    $7.07
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  61. $5.39
    SKU: BP54

    United Security Products BP54 3/8" Short Switch - Long Magnet, CC

    • .75″ Gap
    • 3/8″ x 3/4″ Stubby Press Fit
    • With Long Magnet 3/8″ x 1-3/8″
    • Rhodium Metal Contacts
    • Rare Earth Magnets
    $5.39
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  62. $84.08
    SKU: 584503-W

    GE Security Interlogix 584503-W Wireless ShatterPro, 3V, Transmitter Not Included

    • Compatible with most wireless transmitters
    • Factory-set sensitivity for safer installation
    • Test sensor operation with a hand clap
    • Includes mounting bracket
    • Recognizes actual pattern of breaking glass across the full audio band
    $84.08
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  63. $49.40
    SKU: DX-40

    Optex DX-40 Wired Indoor Integrated Passive Infrared & Microwave Detector

    • Quad zone logic
    • Microwave are shaping technology
    • Spherical lens design
    • Self checking function
    • Anti-PIR tamper function (anti-masking)
    $49.40
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  64. $35.10
    SKU: T5000SF

    Google Nest T5000SF Temperature Sensor, White

    • Requires an installed 3rd generation Nest Learning Thermostat or Nest Thermostat E
    • Senses and communicates temperature to compatible Nest thermostats
    • Offers flexible placement on a wall or shelf
    • You can place temperature sensors in different rooms, and choose which room to prioritize
    • Up to 6 Nest Temperature Sensors supported per connected thermostat, and up to 18 Nest Temperature Sensors supported per home
    $35.10
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  65. was $484.00 Special Price $479.00
    SKU: OVS-6000

    Optex OVS-6000 Stationary Vehicle Presence Sensor

    • Detect the presence of a stationary vehicle in a parking space, drive-thru lane or exit lane in a parking facility
    • Applications include toll lanes, exit lanes, and drive-ups at pharmacies, banks and restaurants
    • The OVS-6000 provides a long-range detection area, even from high mounting positions
    • Detection area can be adjusted 160° vertically and 360° horizontally
    was $484.00 Special Price $479.00
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  66. $343.20
    SKU: SL-200QDM

    Optex SL-200QDM Smart Line Outdoor Photoelectric Detector, 200ft

    • High power Quad beams with high grade aspherical lenses
    • 60m detection range
    • 4 channel selectable frequency
    • IP65 water protection rating
    • Anti-frost hood design
    $343.20
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  67. $178.07
    SKU: RVS-112-W

    RVS Systems RVS-112-W Waterproof Backup Sensor Reversing System

    • Completely waterproof system - Install all components outside
    • Four sensors mount to vehicle's bumper
    • Intelligent sensors - Ignore stationary, permanent objects
    • Alerts you with distance to obstacles behind you
    • Perfect for assisting in parking and tight driving situations
    $178.07
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  68. $164.50
    SKU: 6052

    ELK 6052 Sound All Smoke Detector, Two-Way Wireless

    • Compatible with ELK-M1XRFTWM two-way wireless transceivers
    • Ability to activate built-in sounder of all enrolled ELK-6052 smoke detectors
    • Photoelectric Smoke Detection
    • Rapid ″rate-of-rise″ temperature detection
    • Fixed temperature(135° F) heat detection
    $164.50
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  69. $162.02
    SKU: OD850-F1

    Radionix by Bosch OD850-F1 Outdoor TriTech Detector (10.525 GHz)

    • Motion Analyzer II PIR signal processing
    • Linear travel distance (LTD) microwave signal processing
    • Two sensitivity levels
    • Timed relay output adjustable from two sec to 10 min
    • AND/OR mode
    $162.02
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  70. $104.90
    SKU: 6053

    ELK 6053 Sound All Heat Detector, Two-Way Wireless

    • Compatible with ELK-M1XRFTWM two-way wireless transceivers
    • Ability to activate built-in sounder of all enrolled ELK-6050 & 6052 smoke detectors and 6053 heat detectors
    • Rapid ″rate-of-rise″ temperature detection
    • Fixed temperature(135° F) heat detection
    $104.90
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  71. $95.75
    SKU: OP-08CW

    Optex OP-08CW Passive Infrared Door Sensor (White)

    • Automatic door applications exist
    • Door sensor
    • Flexible detection area setting
    • Ceiling mountable design
    • Professional PIR door sensor
    $95.75
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  72. $93.74
    SKU: NX-452

    Interlogix NX-452 SlimLine Crystal Door/Window Sensor, White

    • Use in applications where space is limited, such as narrow casements and window frames
    • Long battery life
    • Crystal technology
    $93.74
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  73. $83.00
    SKU: TC-10U

    Optex TC-10U WSS Series Wireless Door Contact

    • Compatible with RC-10U and RG-10U
    • Can be installed on door or window
    • Weather-resistant structure (IP54) for indoor and outdoor (indirect exposure to rain)
    • Powered by CR123 3-Volt Lithium battery (not included)
    • Low battery signal
    $83.00
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  74. $80.52
    SKU: E-931-S33PRGQ

    Seco-Larm E-931-S33PRGQ 33ft Polarized Reflective Photoelectric Beam Sensor

    • Polarized sensor is immune to shiny objects: triggers only when correctly reflected light is detected
    • Weatherproof (IP55)
    • Anti-condensation housing
    • 12-30V DC/AC 60Hz, 100mA
    • Up to 33ft (10m) sensing range
    $80.52
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  75. $76.03
    SKU: CM-E1-RS

    Macurco CM-E1-RS Round Surface Mount Carbon Monoxide Gas Detector

    • Low replacement costs with long-life sensors
    • Low maintenance with no calibration needed
    • Local alarm ″ "Temporal 4 Sounder
    • Clip in wire harness for in and out replacement
    • Aesthetically pleasing. Flush mount or surface options
    $76.03
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  76. $75.50
    SKU: 319PIRC

    ELK 319PIRC 360° Motion Sensor, 319 Series

    • Designed for ceiling mount applications
    • 360° coverage with detection area of 14-40 feet, depending on the mounting height
    • 319.5 MHz operating frequency
    • Compatible with many popular systems, including M1 Controls
    • Ideal for existing Interlogix systems in need of replacement sensors
    $75.50
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  77. $64.68
    SKU: DS936

    Radionix by Bosch DS936 Low Profile Ceiling Mount PIR Detector

    • Enhanced signal processing
    • 360° x 7.5 m (24 ft) pattern
    • Surface/semi-flush mountable
    • Internal pointability
    • Sealed detector chamber
    $64.68
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  78. $58.50
    SKU: 6020

    ELK 6020 Wireless Slim-Line Door/Window Sensor, White

      • Compatible with ELK-M1XRFTW two-way wireless transceiver
      • One built-in reed switch
      • Front and back tamper option
      • Available in white (ELK-6020) and brown (ELK-6020BR)
    $58.50
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  79. $56.13
    SKU: ISC-PPR1-W16

    Radionix by Bosch ISC-PPR1-W16 60' Professional Series PIR Motion Detector

    • 16 m x 21 m (50 ft x 70 ft) coverage, selectable to 8 m x 10 m (25 ft x 33 ft)
    • EN50131-2-2 Grade 2 and VdS G107504 Class B compliant
    • Sensor data fusion technology
    • Tri-focus optics technology
    • Active white light suppression
    $56.13
    Low Price Guarantee
  80. $53.40
    SKU: 2GIG-FF-345

    Linear 2GIG-FF-345 FireFighter Smoke Detector Sensor Transmitter

    • Monitors any UL existing smoke detector
    • Does not impact UL or Fire Marshall approval of existing smoke detectors
    • 100% compatible with 2GIG panels and Honeywell 5800 receivers
    • Uses 1 CR123A long life lithium battery
    • FCC, IC, and ETL listed in US and Canada to UL985 standard
    $53.40
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  81. $52.25
    SKU: PLS

    United Security Products PLS Power Loss Sensor

    • Detects loss of Power(110 VAC)
    • Dry Contact Output
    • Automatic Reset
    • SPDT
    $52.25
    Low Price Guarantee
  82. $49.89
    SKU: MSS-312C-GREY

    Magnasphere MSS-312C-GREY 1" Recessed with 3 Switches, 2 Closed Loop, 1 Open Loop - Grey

    • Multiple (2 or 3) individual contact outputs
    • Available in closed and open loop configurations
    • Available in 1" diameter recessed, and surface mount, armored cable version
    • Cost competitive
    • UL and ULC listed
    $49.89
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  83. $46.24
    SKU: B200-36

    GRI B200-36 Biased High Security Switch Sets Overview

    • Biased high security in a variety of switch case styles
    • 12″ leads #22AWG
    • Jacketed or armored cable on industrial switches
    • Longer leads, zip cord or jacketed cable upon request
    • Mounting hardware included
    $46.24
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  84. $43.95
    SKU: AP-360B-C

    Optex AP-360B-C- Indoor Recessed Mount PIR Detector with 360 Degree Detection, Wired

    • 20' detection area at mounting height 14'9"
    • Compact and discreet design
    • Detection sensitivity: High, Medium, Low selectable
    • Can be installed with recessed mount on the walls / ceiling
    • Tamper function
    $43.95
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  85. $38.95
    SKU: MICRA-G

    Nascom MICRA-G Recessed 3/4" iON Micra Wireless Transmitter GE Interlogix Compatible

    • Set: Switch/Magnet Set
    • Color: White
    • Flange: Y
    • Switch Size: D0.750" X L0.330"
    • Magnet Size: OVAL L0.985 x W0.625" x H0.125"
    $38.95
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  86. $4.71
    SKU: N75B-ST

    Nascom N75B-ST Recessed 3/8" Press Fit Switch / Magnet Set, Wire Leads, Brown

    • Press Fit - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • 12" 22AWG Wire Lead
    • Polypropylene housings
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $4.71
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  87. $133.00
    SKU: RFCO-A

    Radionix by Bosch RFCO-A RADION Wireless CO Detector

    • Advanced technology CO sensor with 10 years life
    • Built-in sounder and LED indicator for immediate notification
    • Supervision alerts for sensor health, low battery, and tamper conditions
    • Low current draw for up to 6 years battery life
    $133.00
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  88. $44.19
    SKU: BO-60-457-10-319.5

    Bosch BO-60-457-10-319.5 Two-Button Panic Sensor

    • 24-hour emergency alarm
    • Design helps to reduce false alarms (two-button model)
    • Portable or mountable
    $44.19
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  89. $3.90
    SKU: SM-200Q-W

    Seco-Larm SM-200Q-W Surface-Mount N.C. Magnetic Contact with Screw Terminals, White

    • Surface-mounted contact for closed loop applications
    • Screw terminals for quick installation
    • Includes terminal cover (model SM-823Q)
    • GAP: 3/4" (19mm)
    • Dimensions: 2-1/2"x9/16"x1/2" (63.5x14x13 mm)
    $3.90
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  90. $590.63
    SKU: TX-12-HS WHITE

    Macurco TX-12-HS WHITE Hydrogen Sulfide H2S Fixed Gas Detector Controller Transducer, White Housing

    • Mounts on a standard 4" x 4" electrical box
    • 5 A SPDT relay controls valves, louvers or exhaust fans
    • 0.5 A N.O. or N.C alarm relay connects to warning devices or control panels
    • 4-20mA current loop - compatible with the Macurco DVP-120 Control Panel
    • Supervised system design: detector problem will cause relay activation
    $590.63
    Low Price Guarantee
  91. $590.63
    SKU: TX-12-HS

    Macurco TX-12-HS 120V Hydrogen Sulfide H2S Fixed Gas Detector Controller and Transducer

    • Mounts on a standard 4″ x 4″ electrical box
    • 5 A SPDT relay controls valves, louvers or exhaust fans
    • 0.5 A N.O. or N.C alarm relay connects to warning devices or control panels
    • 4-20mA current loop - compatible with the Macurco DVP-120 Control Panel
    • Supervised system design: detector problem will cause relay activation
    $590.63
    Low Price Guarantee
  92. $446.64
    SKU: RVS-127-6-GPS

    RVS Systems RVS-127-6-GPS Blind Spot Sensor System with Secure-Sleep

    • These commercial grade sensors are waterproof with an IP67 rating
    • Color-coded visual alerts paired with audio alerts from LED Display/speaker
    • Choose between an LED Display with GPS or two external speakers with LED Displays
    • Customize your system to have 4 or 6 sensors
    • Equipped with Secure-Sleep™, a revolutionary feature that protects against theft while the operator is sleeping
    $446.64
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  93. $187.00
    SKU: HS-OHD-111

    Magnasphere HS-OHD-111 HS-L1.5-111 Mounted to HS-1271 OHD Rail Mount Bracket

    • HS-L1.5-111 ( 2 closed Loop contacts (N.C, no resistors) with pry tamper closed loop)
    • Mounted to HS-1271 OHD rail mount bracket
    $187.00
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  94. $16,540.00
    SKU: TRADAR-500F

    American Dynamics TRADAR-500F 360 Radar Detection, 500M, 5.8GHZ Sensor

    • Auto PTZ slew-to-cue
    • Low false alarm rate
    • Power efficiency at less than 4w
    • All weather and lighting conditions
    • Onboard signaling and processing
    $16,540.00
    Low Price Guarantee
  95. $16,238.88
    SKU: TRADAR-1000F

    American Dynamics TRADAR-1000F 360 Radar Detection, 1000M, 5.8GHZ Sensor

    • Auto PTZ slew-to-cue
    • Low false alarm rate
    • Power efficiency at less than 4w
    • All weather and lighting conditions
    • Onboard signaling and processing
    $16,238.88
    Low Price Guarantee
  96. $15,628.80
    SKU: DW-DTLA500

    Digital Watchdog DW-DTLA500 Laser Surveillance Sensor, 1640 Feet

    • SiteWatch™surveillance sensor
    • 0 - 1640ft (500m) detection range
    • Exceptional resistance to false alarms
    • 20 Fully adaptable alarm zones to meet any situation
    • IP alarms and relay output
    $15,628.80
    Low Price Guarantee
  97. $11,945.79
    SKU: TRADAR-500I

    American Dynamics TRADAR-500I 360 Radar Detection, 500M, 5.4GHZ Sensor

    • Auto PTZ slew-to-cue
    • Low false alarm rate
    • Power efficiency at less than 4w
    • All weather and lighting conditions
    • Onboard signaling and processing
    $11,945.79
    Low Price Guarantee
  98. $9,125.28
    SKU: TRADAR-250F

    American Dynamics TRADAR-250F 360 Radar Detection, 250M, 5.8GHZ Sensor

    • Auto PTZ slew-to-cue
    • Low false alarm rate
    • Power efficiency at less than 4w
    • All weather and lighting conditions
    • Onboard signaling and processing
    $9,125.28
    Low Price Guarantee
  99. $6,805.44
    SKU: TRADAR-150F

    American Dynamics TRADAR-150F Tyco Radar Detection Unit w/150m Range, 5.4GHZ Sensor, 1.2m Resolution

    • Tyco radar detection unit w/150m range
    • 5.4GHZ sensor, 1.2m resolution
    $6,805.44
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  100. $6,440.00
    SKU: RLS-3060V

    Optex RLS-3060V Indoor/Outdoor LiDAR Sensor with Camera, ONVIF-ProfileS

    • Analytics recognizing moving object's size, speed and distance from the unit
    • 100 ft x 200 ft, customizable vertical or horizontal detection
    • Built-in assistance camera, for easy & accurate setting & alarm event review
    • 8 independent detection zones. Configurable sensitivity, target size & output
    • Achieve more with just one sensor
    $6,440.00
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