COOCHEER 2Million Pixels 6 LED USB Waterproof Borescope Endoscope Inspection Tube Camera (8MM--5M) IMPORTANT DATA TO MENTION: 2.0MP CMOS inspection camera (0.3MP Optional) / Focal distance: 6cm-21cm. RESOLUTION: 1280*720; with 6-piece LED lights, you'll be able to explore the details of each object in a dark area. APPLICABLE RANG: it Support the following systems: Android/ Windows 2000 /7 / XP / 8 /10 while its compatible with OTG and UVC function so please make sure your phone carries with these two kind of function. (You need to downdoad USB drive 3.0 yourself) FLEXIBLE LENGTH FOR WIDE EXPLORATION: it is IP67 with 8mm/0.31 inch diameter tube camera so that you can inspect area under water, gaps, holes, etc. EASY TO OPERATE: don't need a lot of training to use this handy endoscope. Just plug in to your USB port, install the app (www.kkmoom.com/an97.apk) according to the instruction, you'll be ready to go.