Door Management Alarm Finish Painted Gray Cylinder Type Rim Arm Type No Arm Alarm Type Door Management Alarm Inside Keyed Cylinder Type Rim Activated By Unauthorized Egress Alarm Duration Variable Door Handing Non-Handed Body Thickness 2 13/16 in Body Dia 6 1/4 in Body Length 6 1/4 in Body Height 4 1/2 in Body Width 6 1/4 in Decibels 103 dB Power Source 9V Battery Cord Length 10 ft Housing Material Aluminum For Use With Emergency Exit and Restricted Doors