Flylinktech 2 Million Pixels Cmos 5m/16ft Waterproof USB Hd 6 LED Borescope Endoscope Inspection Tube Pipe Camera Waterproof endoscope 8.5 mm diameters camera, which can work in different conditions 5 meters flexible tube makes that you put it in deeper place There is no need to install driver and side-view mirror can meets different needs. It is ideal for auto maintenance, machine equipment, pine inspection, outdoor detection etc. Small size, which is portable to carry. It is convenient to be put into small space.