... with LED display: 1.Each zone is programmed singly, 2. 315 mhz or 433 mhz optional best gsm home alarm systems with LED ... 433MHzCommunicating Format: ADMCO 4+2, Contact IDAlarm Zones: 8 wired and 8 wirelessArm Mode: by remote controller, telephone, keypadAlarm Mode: ... Anti-shear telephone wires, and anti-lightening protection.3. With function monitor on the spot.4. With the rechargeable circuit, it ...