... setting,and tittle display8.Easy backup methods:USB devices,remote network and client software backup9.Alarm triggering screen tips ... multi-DVR client &SNS Networking access for remote live viewing,recording,playback,setting,system statu,event log,e-mail & ftp ... max 4/8 channels playback, realize the zero-delay between playback channels15. Support IVS(intelligent video analysis system),like perimeter ...