STI’s Exit Stopper solves the problems of unauthorized exits and entries of fire or emergency doors. The multifunction door alarm helps to increase workplace security. The Exit Stopper (STI-6400) alerts if a protected door is opened by emitting an ear-piercing alarm for 30 seconds, three minutes or continuously (as preset by the user). Another option is annunciator mode (loud 95 or 105 dB). In this mode it announces door entry/exit with two beeps repeated five times. When used in alarm mode, a key-operated override will silence the alarm and allow authorized exits through the door. The alarm can serve as an inexpensive workplace security device and help stop theft as well.
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