This is a stereo binocular microscope with binocular viewing head. The microscope has 1X and 3X objectives and 10X and 20X eyepieces, providing four levels of magnification. The microscope uses dual tungsten lights to illuminate the specimen from either top or bottom. The microscope takes 110V power input. It has large working distance of 57mm and maximum field of view of 10mm. 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. The package also contains a USB microscope camera. The digital camera captures still microscope images, streams live video preview to your computer. The built-in reduction lens included gives your computer screen a wider field of view.