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

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 DB
Sensor Type : Ionization, Photoelectric
Power Supply : 120 V
Operating Temperature : 40 To 100 Deg F
Color : White
Dimensions : 5.7 In L X 5.7 In W X 2.4 In H
Includes : (2) AA Battery Backup

Measuring Range : 10 Ft
Display Type : LED
Alarm Type : Audio
Sound Level : 85 DB
Sensor Type : Electrochemical, Ionization
Power Source : Battery
Power Supply : 120 VAC
Operating Temperature : 40 To 100 Deg F
Housing Material : Plastic
Color : White
Dimensions : 5.5 In Dia X 1-3/4 In D

Sound Level : 85 DBA
Sensor Type : Photoelectric
Power Source : Battery Operated
Color : White
Dimensions : 5.13 In L X 5.13 In W X 1 In H
Includes : 2 AA Batteries

Sound Level : 85 DBA
Sensor Type : Ionization
Power Source : Battery
Color : White
Dimensions : 5.6 In L X 5.6 In W X 2 In H

Sensor Type : Ionization
Power Source : Battery