1.GSM+PSTN alarm system 2.GSM 2/4 bands.15 wireless zones 3.LCD display and touch keypad. 4.CE & RoHS certificate NEW GSM+PSTN alarm system with LCD display and touch keypad 1. Touch keypad: Bule back-up light; LCD display date, day of the week, Time, and current Armed status;2. GSM 2/4 Band Net transmission, phone audible alarming and SMS alarming; 3. 15 wireless zones. Support 2 more wired ...