... &SNS Networking access for remote live viewing,recording,playback,setting,system statu,event log,e-mail & ftp function12.Support DHCP / ... the zero-delay between playback channels15. Support IVS(intelligent video analysis system),like perimeter detection,items care, flowmeter, abnormal video signal ... , snow, flicker, scrolling, etc. 8CH H.264 intelligent video analysis system Hybrid cctv DVR,8ch D1 DVR