... the phone dvr alarm system,Campus network video alarm system,camera alarm, 3g alarm, alarm, alarm system, wireless alarm,home ... or 8ch dvr alarm system,Campus network video alarm system,camera alarm, 3g alarm, alarm, alarm system, wireless alarm,home ... programmable system module, compatible with Management Platform of Network Video Surveillance SystemSupport RJ45 port interface, wireless WI-FI and 3G ...