AmScope All-Metal Cordless Student LED Compound Microscope with Mechanical Stage and Coarse & Fine Focus Cordless Monocular Offering Three Widefield Magnification Settings 40X, 100X and 400X Optical Glass Lenses; Single Lens Condenser; Disc Diaphragm All-Metal Framework with Mechanical Stage and Coaxial Coarse & Fine Focusing LED Illumination Using either Wall-power or Three AA Batteries Wall-power Adapter/Recharger Included