Brand Name: Kidde *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/Ionization/Photoelectric *Sub Brand: Worry-Free *Test and or Reset Button: *UL Listed: Yes *Battery Size: *Low Battery Indicator: *Batteries Included: