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Battery-operated Ionization Smoke detector

First Alert Battery-operated Ionization Smoke detector

4.6
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how long to change the 9 volt battery


Thank you for your question, Kevin. We recommend replacing the batteries in your smoke alarm every six months. If you have any additional questions or concerns, please don't hesitate to reach out to our Consumer Support team at First Alert at 1 (800)-323-9005.

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