![Close-up shot of the back of the Google Nest Protect smoke and carbon monoxide alarm, showing Energizer batteries in the battery compartment, in Lafayette, California, December 6, 2020 Stock Photo - Alamy Close-up shot of the back of the Google Nest Protect smoke and carbon monoxide alarm, showing Energizer batteries in the battery compartment, in Lafayette, California, December 6, 2020 Stock Photo - Alamy](https://c8.alamy.com/comp/2DP205G/close-up-shot-of-the-back-of-the-google-nest-protect-smoke-and-carbon-monoxide-alarm-showing-energizer-batteries-in-the-battery-compartment-in-lafayette-california-december-6-2020-2DP205G.jpg)
Close-up shot of the back of the Google Nest Protect smoke and carbon monoxide alarm, showing Energizer batteries in the battery compartment, in Lafayette, California, December 6, 2020 Stock Photo - Alamy
![Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES - Amazon.com Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES - Amazon.com](https://m.media-amazon.com/images/I/71JCUOmcUaL._AC_UF350,350_QL80_.jpg)
Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES - Amazon.com
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Google Nest Protect - Smoke Alarm and Carbon Monoxide Detector - Battery Operated S3000BWES - The Home Depot
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