Functions and Features: First make sure your phone supports OTG functionality, Android endoscope is a new type of electronic products. The advantages of this product are small size and light weight. The middle part of the installation of a control box, can adjust the brightness of six LED lights, capture the image photo graphed after the camera directly stored in the Android mobile phone, you can video the whole process of record check, observation and follow - up analysis. Total length: 1M Waterproof level: IP66 Resolution: 640 × 480 30ftps Focal distance: 6cm Application Fields: Intraoral camera system, underwater camera, waterproof Micro - cameras, mmotor vehicle detector, sewer pipeline detector, search and rescue, criminal and custom detector, archaeological detect, the PCB detection, home care, aviation and space industries, care and tractors industries, petroleum drilling industries, constructions and so on. The use of APP method: App installed, mobile phone desktop icon will appear.