First Alert 9-Volt Battery Powered, CO Alarm With Silence Feature
- First Alert 9-Volt Battery Powered, CO Alarm With Silence Feature
- Electrochemical carbon monoxide sensor – the most accurate sensor available as compared to other sensing technologies
- End of life signal provides audible notification alarms needs to be replaced
- Single button test/silence
- 2-silence features – can silence the low-battery chirp for up to 8-hours or temporarily silence an unwanted nuisance alarm
- Includes an optional wall mount
- 5-year limited warranty
- Mfg #CO400B
