... DVR network dvr,digital video recorder RS 485 ... Control,RJ45,with VGA, remote control 3G cellphone view,H.264 two way audio DVRnetwork dvr,digital ... video recorder16CH video and 3CH Audio 1CH Two way Audio real time Recording ... Phone / Back upRecording ModeManual, Schedule, EventSchedule RecordingFull Recording, Motion, Alarm, Manual RecordingStatus IndicatorPower, Network, HDD1 ...