Alarm Type : Voice Sensor Type : Photoelectric Power Source : Battery Dimensions : 5.1 In L X 5.1 In W X 2.4 In H Suitable For : First Alert And BRK Alarms Includes : Easy Adapter Plug And AA Batteries
Sound Level : 85 DBA Sensor Type : Photoelectric Power Source : Battery Power Supply : 120 V Color : White Dimensions : 5.13 In L X 5.13 In W X 1 In H Includes : Battery
Detection Range : 10 Ft Display Type : LED Alarm Type : Audio Sound Level : 85 DB Sensor Type : Photoelectric Power Source : Battery Power Supply : 120 V Operating Temperature : 4.4 To 37.8 Deg C Mounting Type : Ceiling, Wall Color : White Dimensions : 13.3 Cm Dia X 4.1 Cm D