1. Adopt CMOS sensor, 2 million pixels 2. Resolution: 640x480, 1024x768, 1280x800, 1280x960, 1280x1024 3. Adaptation interface: USB2.0 4. Display frame rate: 20 frames per second (AVI, WMA) 5. Focusing distance: 5mm to infinity 6. Magnification: 1-300 times continuous magnification, different sizes of monitors and resolutions will have a certain impact on the magnification 7. 8 LED lights, adjustable light 8. Mini lifting bracket, stainless steel material, chrome plating process