... Security Alarm SystemMain Features: 1.Two-way to communication.2. Eight wireless LED defense zone, four wired defense zone3. The system ... set HOME arm/AWAY arm5. When alarming, system plays the recorded voice at first, call ... control the system by using a telephone or cell phone anytime, wherever you are. For security reasons, ... total. 11.Send the SMS to GSM alarm system to program, it is very easy and ...