Features:*2 NO/NC trigger inputs.*Easily connects to an alarm panel and automatically dials out when activated.*2 independent voice messages. Stores up to 4 telephone, cellular or pager numbers.*Delivers a message of up to 16 seconds to each number stored.*Instant trigger or exit and entry delay settings.*Repeats the voice message for one minute per call.*Waits 8 to 10 rings before dialing the next programmed number.*Calls two times when there is no answer or three times when the line is busy.*EEPROM retains memory for up to one year if power is lost.*Optional 9 volt internal battery provides stand-by power for up to three days.*Use with PBX or regular telephone systems.