First Alert Plug-In Co Alarm 2-Pack

Keep your family safe with this easy-to-use plug-in First Alert carbon monoxide alarm; it works with any standard outlet and also has a battery backup for continuous monitoring of carbon monoxide levels even if there’s a power failure. The Plug-in carbon monoxide detector is simple to use with a single test/silence button. The system features an advanced electrochemical sensor that accurately detects CO levels no matter where the detector is placed in the room; a loud 85-decibel alarm sounds when carbon monoxide levels reach dangerous levels offering protection for your family. Plug-in the First Alert carbon monoxide detector into any standard outlet with no additional mounting necessary. One button silences any nuisance alarms and also tests detector functions or mute low battery signals for up to 8 hours; an end-of-life signal enhances your safety by letting you know when it’s time to replace the unit.