... DVR network dvr,digital video recorder RS 485 Control,RJ45,with VGA, remote control 3G cellphone view,H.264 two way audio DVRnetwork dvr ... AlgorithmModified H.264Operating SystemEmbedded LinuxPentaplexRecord / Playback / Network / Mobile Phone / Back upRecording ModeManual, Schedule ... , Motion, Alarm, Manual RecordingStatus IndicatorPower, Network, HDD1, HDD2Event ModeAlarm Trigger, Motion Trigger ...