... for choice;16ch simultaneous playback/rewind/fast forward/frame;With alarm input & output;Motion detection/video loss/video shield alarm modes for ... , UPNP,DNS, IP filter, PPPOE, DDNS, FTP, Email, AlarmAlarmVideo Loss, Motion Detect, Disk No Space, Disk Error, Video Cover, Local Alarm, Exterior ... % 2APower Consumption20W(without HDD) Entry Level DVR400 Series 4ch Network DVR/8 ch DVR system