Exit Door Alarm Annunciation 95 to 105dB

Exit Door Alarm Cylinder Type Key Lock Alarm Type Audible/Annunciation Siren Style Three Minute Piercing Horn Activated By Unauthorized Egress Alarm Duration 30 sec 3 min or Continuously Door Handing Non-Handed Body Thickness 2 in Body Dia 5 3/8 in Decibels 95 to 105dB Power Source 9V Battery Housing Material Polycarbonate Standards FCC and IC Compliant For Use With Exit and Entry Doors Includes 9V Battery Door Alarm Mounting Hardware Reed Switch Assembly