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10-Year Battery Hardwired (with Battery Back-Up) Ionization Interconnected Smoke detector

First Alert 10-Year Battery Hardwired (with Battery Back-Up) Ionization Interconnected Smoke detector

4.7
620
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33 Questions
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What battery does this take


This takes your standard nine volt battery. I suggest replacing batteries every year and using the daylight savings time as a reminder to do so.

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