1.Please make sure your phone can support OTG functionality and also compatible with the UVC ( USB video device class) before you buy it .because some of the phone can shielded external camera . (most of recently version of android device have this function,if you not sure it can suit ,please confirm it first before you buy it )
2. The Industrial endoscope is a near focal length product, when take picture too close or too far can be very vague, the best focal length is about : 3-8 cm .The farther away from the observation, the lower the clarity of the image.
3.if you have any problem please contact us first.
First check your phone whether to open the OTG switch, and Scan the QR code on the Manual to install APP ,click on the icon, if connected to your phone without the image, you can only use the phone model In the following listing or use on a computer, thank you for your understanding