This is a stereo binocular microscope with binocular viewing head and 640x480 USB microscope camera. The microscopy has 20X and 40X two step magnifications with dual tungsten lights from both top and bottom. The microscope takes 110V power input. It has large working distance of 57mm and maximum field of view of 10mm. The digital camera captures still images, streams live videos on your computers, and is compatible with Windows (see version information below). The user-friendly editing and processing software for Windows offers advanced features including stitching, EDF (Extended Depth of Focus), video recording and measurement functions. The software allows you to make notes, shapes, and watermarks with ease. You can analyze, present, and share images of samples and specimens using the software. This stereo microscope is a good choice for people who like to collect coins, stamps, rocks, gemstones but with low budget.It is also a good choice for students who would like to inspect insects, botanical specimens and etc.