Kidde KN-COB-LCB-A Tamper Resistant Plug-in Carbon Monoxide Alarm With Battery Backup

The Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button uses electrochemical sensor technology to detect poisonous CO gas in your home and alert you by sounding an 85-decibel alarm. Peak Level Memory records the last time carbon monoxide was detected or when the unit was tested. Install a carbon monoxide smoke detector combo on every level of your home and near bedrooms to help keep your family safe. UL Certified with a 10-year limited manufacturer's warranty. Meets requirements of UL 2034, UL217, NFPA72, (chapter 11 2002 edition) The State of California Fire Marshal, NFPA101 (One and two family dwellings) Federal Housing Authority (FHA), Housing and Urban Development (HUD). Easy Installation - simply plug-in to a standard, 120V outlet in your home 2-AA battery backup provides protection during a power outage 85-decibel alarm announces when carbon monoxide is detected Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested UL listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). If that date is unknown, it should be assumed that replacement is needed.