AmScope 40X-1000X Home School Student Microscope w Glass Lens C&F Metal Body Slides Book 360 degree rotatable monocular head offers six magnifications 40X-1000X Precise optical glass lenses; single lens condenser and disc diaphragm Cordless LED illumination uses either an outlet or batteries Sturdy all-metal framework with coaxial coarse and fine focusing 25pc prepared slide collection and the Book: "The World of The Microscope"