![First Alert Plug-in Carbon Monoxide Detector in the Carbon Monoxide Detectors department at Lowes.com First Alert Plug-in Carbon Monoxide Detector in the Carbon Monoxide Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/4f9c3d1c-8e4f-4e23-819d-1819fe3e6ea0/09146383.jpg?size=pdhism)
First Alert Plug-in Carbon Monoxide Detector in the Carbon Monoxide Detectors department at Lowes.com
Which? - If your carbon monoxide (CO) alarm goes off, here's what you need to do. Make sure your home has a safe and reliable CO alarm 👉https://whi.ch/CO-Alarms | Facebook
![Carbon Monoxide detector went off at 3am. 4 chirps means Carbon Monoxide detected. 5 chirps means replace detector. The chirps are quick, and in the middle of the night it's difficult to Carbon Monoxide detector went off at 3am. 4 chirps means Carbon Monoxide detected. 5 chirps means replace detector. The chirps are quick, and in the middle of the night it's difficult to](https://i.redd.it/6mubvwbqsuy01.jpg)