1. No delay to show the picture and video
2. Both in and out interface
3. The shell is aluminium alloy, it's anti-jam
4. Parameters are adjustable
5. Real color
6. Won't reflect light when there's blood  
7. Strong stereoscopic
8. Unique TC (true color) reduction technology making making color more vivid
9. Functional interfaces to meet various needs
10. Simple mounting structure, fully compatible with the operation room