This is a perfect microscope with a 640x480 pixel USB digital camera for students to learn science. There are five magnification settings, 40X, 100X, 250X, 400X and 1000X. It comes with full glass optical elements, metal framework, 45 degree inclined 360 degree rotating monocular head, LED illumination system and a 640x480 pixel detachable digital camera. The LED illumination system uses either an outlet (adapter included) or three AA batteries. The digital camera captures still images and video, and allows you to view a live stream on your PC. The included software for Windows offers image-development and measurement tools, as well as advanced compositing features such as image-stitching and extended-depth-of-focus. Independent preview and capture resolutions allow you to view high-speed video while capturing high-definition images. On Mac computers, the camera can be used as a driverless imaging device, compatible with various applications, such as ProScope and Photo Booth. It is an ideal microscope for home schooling, for students in elementary to high school, and for hobbyists. Packing List : One Monocular Microscope Three Objectives, 4X, 10X and 40X One Widefield 10X Eyepiece One Widefield 25X Eyepiece One Outlet Power Adapter One Dust Cover Two Clips Users Manual Download One 640x480 Pixel USB2.0 Digital Camera One 6 (1.8m) USB Cable One CD with Software, Driver and Users Instructions Package Dimensions: 15" x 10" x 6.5" Shipping Weight: 5 lbs