First Alert Smoke Detector (SA9120BCN)
Install in bedroom, hall or basement 120V AC 60 Hz 9 volt battery backup side door hardwire single button reduces test / silence Intelligent sensor false alarms ionization sensor automatically performs internal test interconnect up to 18 units of smoke quick connect plug with 8 "pig- Dick universal bracket with screw slots
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120V with 9V battery backup (included) interconnectable 85 dB horn test button manual up to 18 different transmitter alarms UL
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