First Alert 1046858 Smoke Alarm, Ionization Sensor, White White (Pack of 12)

Display Type : LED
Alarm Type : Audible Beep
Sound Level : 85 DB
Sensor Type : Photoelectric
Power Source : Battery
Power Supply : 3 V
Mounting Type : Ceiling, Wall
Color : White
Dimensions : 5-1/8 In L X 1 In W X 5-1/8 In H
Includes : Battery, Mounting Hardware

Alarm Type : Audio
Sound Level : 85 DB
Sensor Type : Electrochemical
Power Source : Battery
Power Supply : 9 V
Color : White
Dimensions : 3.4 In L X 1.5 In W X 5 In H

Detection Range : 50 Ft
Alarm Type : Audible
Sound Level : 85 DB
Sensor Type : Thermistor
Power Source : Battery
Power Supply : 120 V
Operating Temperature : 135 Deg F
Color : White
Dimensions : 5.5 In L X 2.25 In W X 5.62 In H
Includes : 1) 9 V Battery, (1) Heat Alarm

Sound Level : 85 DBA
Sensor Type : Ionization
Power Source : Battery
Power Supply : Interconnect Hardwire
Color : White
Dimensions : 5.6 In L X 5.6 In W X 1.9 In H

Sensor Type : Ionization, Photoelectric
Power Source : Battery

Alarm Type : Voice
Sensor Type : Photoelectric
Power Source : Battery
Color : White
Dimensions : 5.13 In L X 5.13 In W X 1 In H