Home Alarm System 1,Touch keypad,Big LCD display 2,GSM+PSTN dual network 3,8 wired + 30 wireless zones 4,Work worldwide Model No: L&L-816Name: 38 ... , alarm delay, intelligent door sensor function, beep indication could do free setting. 5. Alarm Inform Mode: PSTN Call, GSM Call, GSM SMS 6. Alarm SMS include alarm zone ...