Kidde Plug-In Carbon Monoxide Alarm with Digital Display and 9-Volt Backup

Give yourself peace of mind with protection from colorless, odorless carbon monoxide with this Kidde digital carbon monoxide alarm. Alarm continuously monitors levels of the poisonous gas in your home, and gives you an updated digital reading every 15 seconds. Features a loud 85-decibel warning, peak level memory and a test/reset button to immediately silence alarm. Plugs into 120V outlet, and is backed up by a 9V battery, included. 5-yr. limited manufacturer's warranty. Imported. 6Hx3-1/2Wx1-1/2D