Wireless Exit Stopper® with 4-Channel Voice Receiver (STI-V6400WIR4) helps solve unauthorized exits and entries of fire or emergency doors while also helping prevent theft. If protected door opens, unit emits 95 or 105 dB alarm for 30 sec, 3 min, or continuously (as preset by user) and transmits signal to 4-channel voice receiver. Latter produces 10 tones/tunes and 53 words in English or Spanish. Up to 4 tones/tunes or words can be programmed in sequence to identify door status.
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