New carbon monoxide alarm

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 Test-Hush Button makes testing the detector or silencing false alarms easy End of life chirp UL Certified, 10-year limited manufacturer warranty