... Smart HDDs Management:non-working HDD hibernationg,HDD faulty alarm,Raid function11.Powerful network software:built-in web ... the zero-delay between playback channels15. Support IVS(intelligent video analysis system),like perimeter detection,items care, flowmeter, abnormal video ... single-direction touch line(2). Area detection: enter alarm , leave alarm 2.Items Care(OSC)Detect the change of goods ...