Brand Name: First Alert *CSA Listed: *ETL Listed: *Number in Package: 1 *Packaging Type: Clamshell *Power Type: Battery-Powered *Product Type: Smoke and Carbon Monoxide Detector *Sensor Type: Electrochemical/Photoelectric *Sub Brand: Slim *Test and or Reset Button: *UL Listed: *Battery Size: *Low Battery Indicator: *Batteries Included: *Warranty: 10 year Limited Parts and Labor Level of Protection: Superior *Battery Type: Lithium *Sound Level: 85dB at 10 ft. *Height: 1 in. *Length: 5.67 in. *Width: 5.67 in.