Features:

1. High-precision cameras and high-precision projectors with advanced vascular algorithms to ensure high resolution qualified images.

2. Black white, green, green background, red, purple, purple background, optional for different skin group.

3. Large, medium, small, and very small images optional and four level brightness optional.

4. Normal, enhanced and depth, depth mode with three puncture position prompts: deep, medium, and shallow.

5. Mobile stand, benchtop, and handheld.