








Breathe Easy, Live Smart! 🏡
The First Alert CO400-3 Battery Powered Carbon Monoxide Alarm is a reliable 3-pack solution designed to keep your home safe from carbon monoxide threats. Featuring advanced electrochemical sensor technology, user-friendly operation, and compliance with state laws, this alarm ensures peace of mind for you and your family. Each unit comes with a 1-9V battery included, making installation quick and easy.
| Manufacturer | First Alert |
| Part Number | CO400-3 |
| Batteries | 1 AA batteries required. (included) |
| Item model number | CO400-3 |
| Size | Pack of 3 |
| Colour | White |
| Style | Battery Powered |
| Material | Carbon |
| Pattern | Detector |
| Power Source | Battery Powered |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Certification | certified frustration-free |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
| Item Weight | 27.2 g |
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