First Alert Carbon Monoxide Alarm with Backlit Digital Display and Battery Backup

The First Alert Carbon Monoxide Alarm with Backlit Digital Display and Battery Backup provides continuous, reliable monitoring to alert you to dangerous carbon monoxide levels in your home. Operating on a dual-power system, this detector plugs directly into any standard outlet and includes a battery backup for uninterrupted protection during power outages. Featuring an advanced electrochemical sensor, this alarm delivers accurate detection. The easy-to-read backlit digital screen shows danger levels as well as current and peak carbon monoxide readings at a glance. An integrated test and silence button allows for quick testing, while an end-of-life timer alerts you when replacement is needed.