1.gsm auto dial alarm system with SMS control 2, with keypad for gsm intelligent alarm system 3, listen in ... zone LCD display gsm alarm system with keyboard 1.gsm auto dial alarm system with SMS control2, with keypad ... long distance for security alarm systemCan control the system by using a telephone or cell phone anytime, ... – 1pc. Package box : 100% guarantee gsm auto dial alarm system, tiger alarm