First Alert CO615A Carbon Monoxide Plug-in Alarm with Battery Backup and Digital Display + First Alert CO400A Battery Powered Carbon Monoxide Alarm

The First Alert CO615A plugs into any standard 120V AC outlet with no additional mounting, providing consistent protection during power outages with battery backup and displays danger levels, current, and peak CO levels with an easy-to-view backlit digital display..The First Alert CO400A is a battery-operated (9V battery included) carbon monoxide alarm with an electrochemical sensor, offering accurate CO detection and a low battery signal mute feature that quiets the low battery signal for up to 8 hours..Both alarms feature a mute button that silences unnecessary alarms and tests alarm function, ensuring reliable operation and peace of mind..The CO615A has an easy-access battery compartment that allows for simple battery changes without dismounting the alarm, while the CO400A provides a compact and portable design for optimal placement..The bundle includes one First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display and one First Alert CO400A Battery Powered Carbon Monoxide Alarm.Style: Digital. Power Source: Battery Powered. ASIN: B0BM8VRKVF. Customer Reviews: 3.0 3.0 out of 5 stars 1 rating 3.0 out of 5 stars. Date First Available: Nov. 14 2022.