... LED defense zone, four wired defense zone3.The system supports the GSM cell phones, no need the ... telephone line. 4.Can set HOME arm/AWAY arm 5.When alarming, system plays the recorded voice at first, ... remote controllers, you can arm, disarm, panic from long distance. 9.Can control the system by using a telephone ... total. 11.Send the SMS to GSM alarm system to program, it is very easy and quick to ...