Alpha SF504ES Wireless Wristband Pendant with Water Resistant
- Non-returnable or refundable

The SF504ES from Alpha is a Wristband Pendant featuring the great range and reliability of 900 MHz in a small, waterproof package. Users can wear the pendant in the shower or bathtub, outside in the rain, or other environments where the pendant may be splashed with water, or momentarily submerged. The pendants have a single-button design with "press and one second hold" activation, making the pendant very easy to use, yet still reduces false alarms. When the SF504ES is activated, it vibrates briefly and its red LED blinks rapidly for five seconds, then blinks slowly until the alarm is cleared. Alarms may be cleared by placing the RP500K Alarm Clearance Card over the button or by a sequence of button presses. The SF504ES is especially suited for assisted living installations. Weighing only .6 ounces, it is 60% smaller than our SF501ES model, and it includes a wristband. The SF504ES features a fully supervised RF link to ensure reliability. The built-in LED flashes with all transmissions, including supervision, so the user can see the transmitter is still functioning. The battery is a field-replaceable long-life 3V lithium type and is included.
Features
- Fully supervised wireless 900MHz transmitter - Ensures reliable communication without interruptions.
- Waterproof (to IP67 standard) - Can be worn in the shower or during rain without concern for damage.
- Large alarm button - Easy to press for quick access during emergencies.
- Low battery warning before battery depletion - Alerts users in advance for timely battery replacement.
- Vibration and blinking red LED for call assurance - Provides clear feedback that the alarm has been activated.
- Field-replaceable, 3V lithium battery (model BA004) - Easy battery replacement without professional assistance.
- 60% smaller and lighter than previous pendants - Comfortable and discreet to wear throughout the day.
Alpha SF504ES Detailed Specifications
| Weight | 0.6 ounces |
| Dimensions | 60% smaller than SF501ES model |
| Waterproof Rating | IP67 |
| Frequency | 900 MHz |
| Power Source | Field-replaceable 3V lithium battery |
| Alarm Notification | Vibration and blinking red LED |
| Activation Method | Single-button press and one second hold |



