... SMS Alert and dial to the pre-set cell phone when any sensor had been triggered;>>Equips with 8 ... can use as a dialer, the functions like the Cell phone;>>The external power failure & recovery alert function is optional ... GSM Alarms, GSM Alarm Systems, GSM SMS Alarm, GSM SMS Controller,GSM Automation system,GPRS Data Logger,Temperature Logger;Power Monitoring System,Wireless GSM Home Alarm system, GSM ...