Exit Door Alarm Finish Unfinished Cylinder Type Mortise Alarm Type Horn Inside Keyed Cylinder Type Mortise Activated By Reed Switch/Magnet Alarm Duration 30 sec 3 min or Continuously Door Handing Non-Handed Body Thickness 1/8 in Body Dia 5 3/8 in Body Length 5 3/8 in Body Height 2 in Body Width 5 3/8 in Decibels 105 dB Power Source 12/24V DC 0.05 Amps Housing Material Polycarbonate Standards CE FCC IC For Use With STI AED Cabinets