In Shenzhen, compared with other USB industrial endoscopes, one is relatively small, generally 10mm? Or 14mm, but in this case, it is only 7 mm.

2. Other USB endoscopes only have two or four LED lights. This model has six LED lights, and the brightness is much higher in dark environment.

3. The front end has waterproof and dustproof glass, no reflection, and a toolbox. 、

Fortune Telephone, 13728629445.