Digital Video Recorder 1.iDVR-PRO8 8 Camera CCTV 2.realize standard H.264 coding 3.support ... wayManual operation, timing, alarm, shift sense retrievalTime ,fact ,channels, log back-upNetwork, USB, SATA ROM video input4CH BNC video output1CH BNC ... value,support Email alarmholder controlRS485HDD interface2pcs SATA interface,each support up to 2T HDDnetwork interfaceRJ45 self-adaption 10M/100M Ethernet ...