... system, home alarm. burglar alarm,3g alarm;DVR Campus Network Video Alarm System, 8ch dvr alarm system, alarm, alarm system, home ... alarm. burglar alarm,3g alarm; dvr 8CH DVR Alarm System8 Wired zones, 56 wireless zones or BUS zones ... system module, compatible with Management Platform of Network Video Surveillance SystemSupport RJ45 port interface, wireless WI-FI and 3G ...