Safety Technology Exit Stopper Multifunction Wireless Door Alarm

STIs newly redesigned Exit Stopper Door Alarm effectively helps solve the problems of unauthorized exits and entries of fire or emergency doors and helps prevent theft. Easy to install, the alarm flashes and gives an audible warning when activated (duration options include 30-seconds, three minutes or continuously). Warn in two languages with warning labels (includes 20 language labels). Updates include alarm and on/off symbols, flash/beep when turning on and off and a low battery warning (battery included).|Multifunction alarm, helps prevent unauthorized exits/entries|Beeps and flashes when activated|Add warning in second language with provided labels (21 languages included)|Compact design may be mounted on top, right and left or next to almost any door|95 or 105dB alarm|Alarm mode can be set to sound for 30-seconds, 3-minutes or indefinitely (unless disarmed with key supplied or until battery is drained)|Low battery warning (9-VDC alkaline battery included)