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FIRST ALERT Hardwired Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup, SA521CN-3ST


Price: $35.88
(as of Jan 17,2022 09:56:07 UTC – Details)




Help keep your family safe with this hardwired smoke alarm that wirelessly interconnects with other First Alert–enabled alarms to create a home safety network
Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
Wirelessly connect up to 18 First Alert enabled alarms for the maximum in whole-home protection
Hardwired alarm includes 2 AA backup batteries for continued monitoring in the event of a power outage
Includes test/silence button, low-battery warning, EZ access battery door
First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

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