STI now offers the Wireless Exit Stopper with a four-channel voice receiver (STI-V6400WIR4). The multifunction alarm is designed to increase workplace security. If the protected door is opened, the Exit Stopper emits an ear-piercing alarm (95 or 105 dB) for 30 sec.,  for 3 min. or continuously and transmits a signal to the four-channel voice receiver. The voice receiver “speaks” 10 tones/tunes and 53 words in either English or Spanish. Up to four tones/tunes or words can be programmed in sequence to identify door status.

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