Safety Technology International, Inc. STI-6400 Exit Stopper Multifunction Door Alarm - Two Pack

Two-pack of STI-6400 Exit Stopper multifunction door alarms from Safety Technology International, Inc., designed to notify you of unauthorized exits or entries through emergency exit and rear doors. Comes with secondary-language warning labels covering 21 languages and a protective polycarbonate cover. Selectable warning horn output of 105 or 95 dB. In Exit Alarm mode the unit can be programmed to sound for 30 seconds, 3 minutes, or indefinitely (until disarmed with the supplied key or until the battery is drained). In Annunciator mode it announces a door opening with a series of beeps for 30 seconds. Low battery is indicated by a beep and flash. Includes an extended battery life mode (excludes WIR models) and provides on/off signals (excludes WIR models). Not for outdoor use. Backed by a three year guarantee against polycarbonate breakage in normal use (one year on electro mechanical and electronic components).