Kidde Carbon Monoxide Detector, Plug In Wall with 10-Year Battery Backup, Digital LED Display, Voice Alerts, Test-Hush Button, 3rd Edition

Easy Installation - simply plug-in to a standard, 120V outlet in your home, 10-year lithium battery backup provides protection during a power outage, Voice Alarm & an 85-decibel alarm announces a hazard when detected: Fire. = smoke or fire or "Replace Alarm" when the alarm has reached its end of life span, Digital LED display shows the level of carbon monoxide the CO alarm is sensing, A number of parts per million on the digital display indicates the presence of carbon monoxide, Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested, Test-Hush button makes it easy to test the carbon monoxide detector or temporarily silence the low battery chirp warning, UL listed with a 10-Year limited manufacturer on the alarm only (not a battery performance claim). begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed.