1. Support NTSC and PAL standards.

2. Optional English and Chinese menu.

3. 4 image split,Quad image, PIP image, Dual image display.

4. 4 image split is realtime display.

5. Each image quality can independently adjust

6. The image can auto switch each other. 

7. 2 PIP functions and 1PIP function, each PIP position can be adjustable and display channel number can  be edited

8. Dual Split function,each picture position can adjustable and display channel number can be edited.

9. ZOOM function,A zoomed area can be moved while zoom function is invoked.

10.Image freeze function

11.Motion detection alarm, image loss alarm

12.16 groups’ event record.

13. Each channel number can be edited

14.Screen position  can be adjustable.