current item | |||
Power Source | |||
---|---|---|---|
Hardwired | Battery | Battery | Hardwired |
Alarm/Detector Features | |||
Battery Back-Up, Hush Button, Tamper Resistant | 10-Year Battery, Hush Button, Tamper Resistant | 10-Year Battery, Hush Button, Light Indicator, Tamper Resistant | Battery Back-Up, Hush Button |
Pack Size | |||
2 | 2 | 2 | 3 |
Alarm Sensor Type | |||
Photoelectric | Photoelectric | Photoelectric | Photoelectric |
Alert Type | |||
Voice | Voice |
How can we help?