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Battery-operated Carbon Monoxide Detector

First Alert Battery-operated Carbon Monoxide Detector

4.6
2241
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78 Questions
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Are these just battery powered? What size batteries and how many?


One 9-volt. If you look through the photos, you'll see that the box says that it is included.

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1 battery @ 9V

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Thank you for your question. Yes, this unit is battery powered and uses one 9V battery.

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Yes, it is powered by a 9V replaceable battery. This requires 4 AA batteries.

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