Safety & Security
First Alert 9120BA Hardwired Smoke Alarm with 9V Backup Battery, Smoke Detector
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View Dealarrow_forwardCA$29.41
star4.50Based on 645 reviews
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Check Price on Amazonshopping_cartCA$29.41
star4.50Based on 645 reviews
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Product Overview
Key features
This alarm runs on 120-volt AC power and must be connected directly to your home’s electrical system., Comes with a 9V battery that provides power in case of an electrical outage. It is not a battery-only alarm., Can be linked with up to 12 other First Alert or BRK hardwired smoke alarms for whole-home safety..
Key Points
What makes this product stand out
check_circleThis alarm runs on 120-volt AC power and must be connected directly to your home’s electrical system.
check_circleComes with a 9V battery that provides power in case of an electrical outage. It is not a battery-only alarm.
check_circleCan be linked with up to 12 other First Alert or BRK hardwired smoke alarms for whole-home safety.
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