This is a package of compound binocular LED microscope with vinyl carrying bag, blank glass slides, cover slips and 4" x 6" lens cleaning paper booklet. It offers six level magnifications: 40X-2500X. The biological LED microscope comes with a sliding binocular viewing head, two pairs of widefield eyepieces, four achromatic objectives, large double layer mechanical stage with scale, Abbe NA1.25 condenser with iris diaphragm, coaxial coarse & fine focus knobs and variable intensity LED transmitted illumination system. It easy to connect USB digital camera (sold separately) to record what you see in the microscope and saving it into your computer as a picture or a video clip. The compound microscopy is suitable for labs, clinics, universities, and high schools.