Efanr 7mm Mirco USB Endoscope Mini IP67 Waterproof Borescope Inspection Snake Tube Camera Mirror 6 LED Light for Andorid Mobile Cell Phone Smartphones with OTG Function Newwest Arrival Model for Android, can take Photo, video and Sound recording, and the photos & video file will directly stored in your Android mobile phone, the whole process of record check, convenient observation and follow-up analysis.There's also a turning wheel used for adjust the brightness of six LED lights so that work in some area without enough light. It is IP67 Waterproof Camera. With a MICRo to USB line, It can also be used for computers. Ideal for intraoral camera system, underwater camera, waterproof Micro-cameras, motor 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. Only works with Android 4.0 system and above Android 4.0 system phone, does Not support IOS system; Your Android Phone must support OTG function, and must support to connect external camera.( Huawei, HTC, Coolpad, BBK, VIVO, Lenovo and other phones which shield the external camera. Please confirm your phone carefully according to the form) We dont list all phones, because there are so much Android system phone. You can refer to the picture .Please carefully check your phone before purchasing, or we'll not be responsible due to the reasons . Of course, working on the phone is just a part of the function, if you can not use it on the phone, you can use it on the computer. How to detect whether the phone has OTG function: 1. You need to have an OTG cable. 2. Use the OTG line to connect phone with some equipment , such as keyboard, mouse, U disk, and you can use it normally, it expressed the phone has OTG function.