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BRK Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

First Alert BRK Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector

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I got these home and realized I should have gotten battery operated, I put up anyway, will they work ok using backup battery only?


Thank you for your question. The battery is intended only for back-up power and if used as a primary power source the battery will be drained very quickly necessitating frequent battery replacements.

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