The First Alert CO615 dual-power carbon monoxide plug-in alarm alerts you to dangerous carbon monoxide. This carbon monoxide detector operates on a dual-power system with battery backup for continuous monitoring, even in the event of a power outage. The backlit digital screen tells you at a glance what the carbon monoxide and power levels are. The CO monitor also features a convenient test and silence button and an end-of-life timer that lets you know when it is time to replace the unit.

• Advanced electrochemical sensor
• Backlit digital display is easy to read
• Plug and protect, alarm plugs into any standard 120 VAC outlet with no additional mounting, line cord allows for multiple installation options
• EZ view backlit digital display, easy viewing of danger levels, current and peak co levels in your home, illuminates only when alarm sounds or a button is pressed
• Battery backup, provides consistent protection for added safety during power outages
• EZ access battery door, front-open compartment allows easy battery change without dismounting alarm
• Mute button, mutes unnecessary alarms, tests alarm function with same button
• Low battery signal mute, quiets low battery signal for up to 8 hr
• Electrochemical sensor, most accurate technology available for detecting carbon monoxide, compared to other common sensing technologies
• Carbon monoxide alarms should be replaced every 5 years for maximum protection