Exit Door Alarm, Cylinder Type Key Lock, Alarm Type Horn, Siren Style Horn, Activated By Unauthorized Egress, Alarm Duration 3 min, 30 sec, Continuously, Door Handing Non-Handed, Body Thickness 2 in, Body Dia. 5 in, Decibels 95 to 105dB, Power Source Battery, Housing Material Polycarbonate, For Use With Double Exit and Entry Doors, Includes 9V Battery, Door Alarm, Double Reed Switch Assembly, Mounting Hardware. This item has been restricted from sale in the following state (s): []