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Items 61 to 77 of 77

      • Longer battery life for 5-8 years (in typical use, according to battery type)
      • Provides sound and transmitted alerts (for smoke, tamper, low battery)
      • Loud (85db) alarm sound at 3m (10ft)
      • Simple wall or ceiling installation, with bracket
      • Back tamper
    Model No : SMD-426-PG2
    $78.49
    Low Price Guarantee
    Availability: Usually ships the next business day
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCXTE
    $39.25
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCSXTE
    $42.38
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCSXT
    $40.29
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCSRXT
    $43.42
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCSRH
    $44.47
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NCRXT
    $39.25
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire models
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NBXT-10PKG
    $303.23
    Low Price Guarantee
    Availability: Usually ships within 4-5 business days
      • Built-in sounder four-wire model
      • Patented CleanMe® feature
      • Built-in dust compensation
      • Field-replaceable optical chamber
    Model No : 541NBXT
    $41.49
    Low Price Guarantee