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Battery-operated Carbon Monoxide Detector

First Alert Battery-operated Carbon Monoxide Detector

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Show how to open and insert the battery


Thank you for your question. The battery compartment is located on the back of the unit. There is a finger groove and latch where you can lift the battery compartment door, place in the batteries and then close the compartment. If you need further assistance with this, please don't hesitate to reach out to us here at First Alert at 1 (800)-323-9005.

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