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Smoke And A Carbon Monoxide Alarm Mounted On The Ceiling Stock Photo, Picture and Royalty Free Image. Image 31967072.
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How Long Do Smoke and Carbon Monoxide Detectors Last? | Business and Home Security Solutions | Northeast OhioHow Long Do Smoke and Carbon Monoxide Detectors Last?
![What is this sensor on my ceiling? The round one next to the smoke detector? Also, are smoke detectors also carbon monoxide detectors? : r/whatisthisthing What is this sensor on my ceiling? The round one next to the smoke detector? Also, are smoke detectors also carbon monoxide detectors? : r/whatisthisthing](https://i.redd.it/5m6z8em1elq01.jpg)