... monitoring very easy,flexible for network transmission5.Multiple control methods:IR remote controller,USB mouse and front panel press button6. ... the zero-delay between playback channels15. Support IVS(intelligent video analysis system),like perimeter detection,items care, flowmeter, abnormal video ... , snow, flicker, scrolling, etc. 8CH H.264 intelligent video analysis system Hybrid cctv DVR,8ch D1 DVR