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

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

Sensor Type : Ionization
Power Source : Battery

Alarm Type : Audible
Sensor Type : Electrochemical, Photoelectric
Power Source : Battery
Mounting Type : Ceiling, Wall
Dimensions : 6.5 In L X 2.52 In W X 8.5 In H

Sound Level : 85 DBA
Sensor Type : Photoelectric
Power Source : Battery
Color : White
Dimensions : 5.67 In L X 5.67 In W X 1 In H

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

Sensor Type : Ionization
Power Source : 120V With 10yr Battery Back-Up
Color : White
Dimensions : 5.6 In L X 5.6 In W X 1.9 In H