M158C Compound Microscope 40X-1000XThis is a perfect, entry level microscope. There are five magnification settings, 40X, 100X, 250X, 400X and 1000X. It comes with full glass optical elements, metal framework, 45 inclined 360 rotating monocular head, and an LED illumination system that uses either an outlet (adapter included) or three AA batteries. Features include A Great Affordable High Power Microscope for Students of Sciences 45 Inclined 360 Swiveling Monocular Head with Locked in