- Brand: BRK ElectronicsColor: WhiteDimensions: 2 in 5.6 in 5.6 inSensor: Electrochemical,IonizationSpecial Features: End-of-Life Warning,Precision DetectionStandard: Conforms to UL 217 8th Edition Standard,Conforms to STD UL2034Type: Combination Smoke & Carbon Monoxide Alarm






