First Alert CO605 Carbon Monoxide Plug-In Alarm with Battery Backup 1 Pack Part Number: FATCO605 Item Weight: 11.4 ounces Product Dimensions: 8.5 x 7 x 3.2 inches Origin: Mexico Item model number: CO605 Size: 1 Pack Color: White Material: iphone Power Source: corded-electric Item Package Quantity: 1 Number Of Pieces: 1 Batteries Included?: No Batteries Required?: No Description Pile: 9v Warranty Description: FIVE YEAR LIMITED Shipping Weight: 9.4 ounces Date First Available: March 17, 2006 120v Ac Plug-in Alarm Test/silence Button End of alarm life timer 7-year Limited Warranty Battery operated backup ensures alarm works even during power outagesFirst Alert CO605 Carbon Monoxide Plug-In Alarm with Battery Backup 1 Pack