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BRK Hardwired (with Battery Back-Up) Dual Sensor Smoke detector

First Alert BRK Hardwired (with Battery Back-Up) Dual Sensor Smoke detector

4.4
194
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29 Questions
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Will it work using battery only & not hard wiring the unit?


Thank you for your question. The backup battery is to provide coverage for a time in the event of a power outage. Using battery only will necessitate frequent battery changes and is not recommended.

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