85-decibel alarm announces when carbon monoxide is detected
2-AA battery backup provides protection during a power outage
Easy Installation - simply plug-in to a standard, 120V outlet in your home
Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
Chirping sound indicates when it's time to change the alarm.
UL listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed.
Test-Hush Button makes testing the detector or silencing false alarms easy