Etree 3M 16Feet USB Waterproof Endoscope Borescope Inspection Camera with 4 LED lights for Sewer Drain Pipe Plumb Inspection Great for Plumbing Compatible with Mac, PC, and Linux Black High resolution with 1/6 CMOS camera; 4 LED lux luminance lights can work better when the light very dark; Can record video, and save the video in the PC; This portable Digital Microscope must be connected to the computer when using; LED switch Adjustable lightness switch.