NEW GSM+PSTN alarm system with LCD display and touch keypad 1. Touch screen and keypad, LCD displays of date, week, time, and current alarm Status2 ... /Disarm the system by 5 ways: SMS, alarm panel keypad, wireless keypad, Remote control, or even remotely by phones. (PSTN alarm don't ... controllers, 1 power supply, 1 phone line , 1 manual NEW GSM+PSTN alarm system with LCD display and touch keypad