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BRK Hardwired (with Battery Back-Up) Ionization Interconnected Smoke detector 6 -Pack

First Alert BRK Hardwired (with Battery Back-Up) Ionization Interconnected Smoke detector 6 -Pack

4.6
1726
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165 Questions
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Does the unit accept a 10 year lithium battery?


Hi Elliot, thank you for your question. This detector requires a 9-volt battery and we recommend replacing it once a year. - Maria

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