Carson Beginner 40x-400x Biological Microscope (MS-040) Metal body with a 360 degree rotatable monocular head | All glass optics ensure a clear, bright image | Illumination: Top and Bottom LED Light Total Magnification: 40x-400x | Eyepiece: WF-10x | Objectives: 4x, 10x, 40x | Working Stage Size: 90mmx90mm Condenser: N.A.0.65 | Filter Wheel and Diaphragm: 6 Positions Included Accessories: Power Adapter: AC 110V-240V, 50-60Hz Backed by Carson's One Year Limited Warranty