Power Source : Hardwired
Voltage : 120
Sensor Type : Electrochemical
Width (In.) : 5.6
Height (In.) : 1.9
Length (In.) : 5.6
Battery Back-Up : Yes
Decibel Level : 85dB
Battery Type : 9V
Batteries Included : Yes
Color : White
Certification : UL Listed
Warranty : 7 Yr. Limited