DVR network dvr,digital video recorder RS 485 Control,RJ45, ... 400 FPSCompression AlgorithmModified H.264Operating SystemEmbedded LinuxPentaplexRecord / Playback / Network / Mobile Phone / Back upRecording ModeManual, Schedule, EventSchedule RecordingFull ... , Alarm, Manual RecordingStatus IndicatorPower, Network, HDD1, HDD2Event ModeAlarm Trigger, Motion Trigger, Video LossRecoridng Duration: 1~60 sec. ...