Best Quality,Best Service,Best Price 1. 100 wireless defense zones, 8 wired defense zones, having at most 8 wireless controls.2. Blue backlighting graphic display,built-in perpetual calendar and clock,6 groups of voice alarm phones, and 2 groups of phones in a alarm receipt...

Best Quality,Best Service,Best Price 1. 12 wireless defense zones,4 wired defense zones, having at most 8 wireless controls.2. LED locked display, 6 groups of voice alarm phones, and 2 groups of phones in a alarm receipt center.3. Full voice prompt, human recording4. Individual...

Best Quality,Best Service,Best Price 1.16 wireless defense zones, 3 wired defense zones;can set 3 groups of telephone2. Function of on-site monitoring: the host can through ring up, set message to turn on function of monitoring, and cn hear on-site voice, moving, digging of a...