First Alert 1039727 Alarm, Digital Display, 85 dB, Alarm: Audible, Electrochemical Sensor
Be alerted to dangerous carbon monoxide leaks with the first alert CO410 battery-operated carbon monoxide alarm with backlit digital display. This carbon monoxide detector uses an electrochemical carbon monoxide sensor. An easy-to-read backlit digital display allows a quick view of current and peak CO levels. This unit is powered by two replaceable AA batteries, offering peace of mind even during power outages.
Features:
- EZ view backlit digital display allows easy viewing of danger levels, current and peak CO levels in your home
- EZ access battery door, front-open compartment allows easy battery change without dismounting alarm
- Mute button silences unnecessary alarms, it also tests alarm functions with same button
- Low battery signal mute, quiets low battery signal for up to 8 hrs
- Electrochemical sensor, most accurate technology available for detecting carbon monoxide compared to other common sensing technologies