... , IR remote control, Keyboard, NetworkVideoInput4 channel, BNC(1.0Vp-p, 75?)StandardNTSC(525Line, 60f/s), PAL(625Line, 50f/s ... Loss & Camera BlankSupportAlarm Input4 channelRelay Output3 channelPlayback & BackupPlayback Channel1/2/4/AllSearch ModeTime/Date, Alarm, MD & Exact search (accurate ... 10~90%RH / 86~106kpaDimension1U, 375mm×285mm×45mm(W×D×H)Weight2.35KG(without HDD) Full D1 Realtime Dahua DVR ...