... ONVIFVideo Output1 HDMI(video & audio), 1 VGAVoice Intercom1 channel input, BNC(200-2800mV, 30KΩ), 1 channel output, BNC ... channel8 channel16 channelRelay Output6 channelPlayback & BackupPlayback Channel1/2/4/AllSearch ModeTime/Date, Alarm, MD & Exact ... DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS ... Weight3.0KG(without HDD) digital video recorder camera dvr