1.Optimized compression algorithm : H.264 Main Profile，high compression ratio, high definition, support dual stream.

2.Image quality, code rate and frame rate are settable;

3.Support local SD Card storage；

4.Support video loss, motion detection( sensitivity and detection area can be set) and sensor alarm function.；

5.Support ONVIF protocol，bothway voice talkback;

6.Support setup and call of preset, cruise and track (cruise and track need be matched);