Name : PSTN Emergency Calling System
Model : SSG-HJT1-1/2
Main Function: 1. Need to work with power adapter,without backup li-battery,can work with wireless accessories. 2. In emergent condition,just press the button on the main panel,then it will auto-dial 6 groups phone number for help, connect alarm phone call . Listening what happen in the alarm spot. 3. Preset alarm 6 group phone number as you like. ...