built in 1.3 MP digital Camera, 10x, 60x, 200x power, detachable tube for handheld use Top and bottom LED illumination 82 mm (3.2") diameter stage Coarse focus with dual knobs Plug-and-play with Windows 2000, XP, Vista, 7, and Mac OSX 10.4.6 or newer with included USB 2.0 cable