Technical Parameters
1. Φ5.5mm Lens with 4pcs adjustable waterproof LED lights
2. Φ5.5mm waterproof rigid lens
3. Len focus distance is adjustable
4. 1M length OTG Cable
5. Support Android OTG & UVC smart phone or pad
6. Support Windows XP/Win 7/Vista/Win 8/Win 10
7. Take Photo,Video and measurement after CD installation
8. Resolution 640*480 pixels