Kidde Carbon Monoxide Detector, Plug-In with 9V Battery Backup, Digital Display, 85 dB Alarm, LED Status Light Indicators, 3rd Edition

• Easy Installation - simply plug-in to a standard, 120V outlet in your home • 9-volt battery backup provides protection during a power outage • Digital LED display shows the level of carbon monoxide the CO alarm is sensing • 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