First Alert 1039746 1039746 Carbon Monoxide Alarm with Backlit Digital Display 85 dB and Battery Backup

Advanced electrochemical sensor Carbon monoxide alarms should be replaced every 5 years for maximum protection The backlit digital display is easy to read Plug and protect, The alarm plugs into any standard 120 VAC outlet with no additional mounting, The 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 the 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 The mute button mutes unnecessary alarms, and tests alarm functions with the same button Low battery signal mute, quiets low battery signal for up to 8 hr Electrochemical sensor, the most accurate technology available for detecting carbon monoxide, compared to other common sensing technologies Brand - First Alert Assembled Product Length - 3.4 inches Assembled Product Width - 1.7 inches