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