Specifications: Resolution:Balck Size:1/1.5/2/3.5/5/10M Wire Type:Soft Wire,Hard Wire Video Coding:5.5mm Waterproof level:IP67 Resolution:640*480 Camera head dimeter:5.5mm LED: 6 White LED Bright light Focal distance:3-10cm Support systems:For Windows Android /2000 / XP / Vista / 7/8/9/10 Plug Type:CN Plug Material:PVC Please Note : 1. This item only works with Android 4.0 and above 4.1,4.2 system phone, does Not support iOS system; Support Android Phone which has OTG and UVC function (Your smart phone must be Genuine which have license and support external camera, make sure that it will not shield the external camera). 2. How to detect whether the phone has OTG function: a.You need to have an OTG cable. b.Use the OTG cable to connect phone with some equipments like keyboard, mouse, U disk, and then you can use it normally, it means that the phone has OTG function. 3. This camera is near focus distance camera, the focus distance is 3cm to 10cm. if the focus distance over 10cm, it can't get the clear picture. 4. Please read above points carefully.Please carefully check your phone before ordering, or we'll not be responsible due to the reasons above. Package included: 1 x Mini USB Endoscope 1 x Small hook 1 x Magnet 1 x Side audition 1 x fixed set 1 x CD Driver 1 x OTG adapter cable 1 x User's Manual Note: 1 inch = 2.54cm 1.Please allow 1-2 cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual. 0.21-Inch Diameter Camera & Semi-rigid Cable Endoscope: The USB Endoscope camera probe is ultra-thin, only 0.21 inch/5.5mm, we can use this Endoscope in many hard-to-reach, narrow, and confined places at home or outdoors, such as HVAC, vent pipe, engines, air conditioners, sofa corners, bathtub pipes, toilets, etc. Unlike similar USB borescopes with soft cables, this one comes with a semi-rigid cable that can be forwarded to the narrower place more easily. 480P HD Camera: This updated one comes with 640*480 Resolution to choose from. The focal distance/Best observing distance: 3~10cm(1.2~3.93inches). Easy to use: with USB, Type C Connector, This endoscope can only be used with Android smartphones with OTG and UVC function, windows computer, and MacBook. For OTG Android phone, you just need to download an App as recommended by instruction or Amazon customer Q&A. For win 10, you can directly search CAMERA in WINDOWS to find it and click on it. WIN 7/8, please see the user manual. Then plug into the USB port t use.(Not support IOS) IP67 Waterproof: The Snake Camera is also a helpful tool when you have to find your treasures or other small objects from the bathtubs or pipes with water in. Don’t stay too long in the water depth is more than three meters 6 dimmable LEDs: Inside the camera at the top of the line, there are built-in 6 adjustable LED lights, and the lights can also be turned off, which can ensure normal use in dark environments.