... e-mail &FTP upload10.Smart HDDs Management:non-working HDD hibernationg,HDD faulty alarm,Raid function11.Powerful network software:built-in ... , realize the zero-delay between playback channels15. Support IVS(intelligent video analysis system),like perimeter detection,items care, flowmeter, ... , twisted, snow, flicker, scrolling, etc. 8CH H.264 intelligent video analysis system Hybrid cctv DVR,8ch D1 DVR