Alarm Lock PG21 MS Door Alarm – 9 V – 95 dB – Audible, Visual – Surface Mount –
Exit Door Alarm, Metallic Silver, Cylinder Type Mortise, Alarm Type Audible/Annunciation, Siren Style Sweep, Activated By Unauthorized Egress, Alarm Duration Variable, Door Handing Non-Handed, Body Length 9 in, Body Height 2 3/8 in, Body Width 2 1/2 in, Decibels 95 dB, Power Source Battery, Standards Meets ANSI/BHMA A156.29, Includes 9V Battery.
