Features1. 100% and 2. Waterproof wire endoscope 3. Use optoelectronic technology to investigate hard-to-reach area 4. It helps you to diagnose broken part, weld point and machine equipment to save time and increase productivity 5. It has built-in 6 LED lights (with brightness control) on camera head to illuminate the inspection area 6. This inspection camera has many applications including ear, nose oral & throat treatment, HVAC inspection, vent pipe, machine equipment, engine, automotive, boat, aircraft inspection 7. Can take photo and save it on your PC 8. XP system can watch video directly without install software, Vista or Window 7 / 8 need use our software which in the CD 9. Can record video, and save the video on your PC 10. High resolution with CMOS sensor11. Support parts of OTG Android phonesCompatible With1. OPPO R series mobile phones 2. Samsung Galaxy Note 2 / 3 / 4 / 5, i9500, i9308 3. Xiaomi MI3 above, Xiaomi Tablet, Xiaomi Redmi 2 above 4. Meizu X4 or above, Google Nexus 5, ZTE Red Bull V5Attention1. Please make sure your Android phone supports OTG functionality. 2. We provide two QR codes for everyone to choose. Step 1: Scan the QR code on the Manual to install APP. Step 2: App installed, mobile phone desktop icon will appear. Step 3: And then click on the icon, you can take photo and record video on your phone.