... wireless LED defense zone, four wired defense zone. Home Security Alarm SystemMain Features: 1.Two-way to communication. ... need the fixed telephone line. 4. Can set HOME arm/AWAY arm5. When alarming, system plays the ... or cell phone anytime, wherever you are. For security reasons, a PIN code must be used for ... sensors, smoke sensors, beams, panic buttons and so on, 160pcs in total. 11.Send the SMS to GSM ...