Brand Name: First Alert
*Power Type: Hard-Wired w/Battery Back-up
*Sensor Type: Ionization/Photoelectric
*Product Type: Dual Sensor Smoke Detector
*Volts: 120 volt
*Packaging Type: Boxed
*Number in Package: 1 pk
*Battery Size: AA
*Test and or Reset Button: Yes
*UL Listed: Yes
*Detects Carbon Monoxide: No
*CSA Listed: No
*Batteries Included: Yes
*ETL Listed: Yes