Orion 52177 MicroXplore Digital Handheld Microscope (Silver) Compact USB 2.0 microscope can be focused single-handedly for convenient use Features magnifications of 40x and 200x An 8 LED light ring evenly illuminates specimens for clear microscopic inspection Also features a 1/4 inch 1.3 megapixel CMOS sensor Includes software CD-ROM compatible with Windows XP/Vista/7 and Windows 8