current item | |||
Power Source | |||
---|---|---|---|
Plug-In | Hardwired | Hardwired | Plug-In |
Alarm/Detector Features | |||
Battery Back-Up, Digital display | Battery Back-Up, Hush Button, Wire-free Interconnect | Battery Back-Up, Tamper Resistant | 10-Year Battery, Battery Back-Up, Digital display, Hush Button, Tamper Resistant |
Pack Size | |||
1 | 1 | 1 | 1 |
Alert Type | |||
Siren | Siren | Siren | Siren |
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