This is a perfect microscope for students to learn science. It comes with full optical glass elements, metal framework, a 360 degree rotatable monocular head, coarse and fine focusing, with an LED illumination system that uses either an outlet (adapter included) or three AA batteries (or re-chargeable batteries). It offers five magnification settings, 40X, 100X, 250X, 400X, and 1000X. This is an ideal microscope for academics in home school and from students in elementary to high school. A microscope of this caliber is an excellent instrument for hobbyists. Features : High Power Student Microscope with Coarse & Fine Focusing 45 Degree Inclined 360 Degree Swiveling Monocular Head with Locked-in Eyepiece Built-In Contemporary LED Illumination System Plain Stage with Clips and Stain Resistant Finish Fully Coated Optical System High Resolution Offering Sharp Images Five Levels of Magnification: 40X-100X-250X-400X-1000X Single Lens Condenser and Disc Diaphragm Focusing Control Knobs on Both Sides Full Optical Glass Elements Precise Ground Glass Lens All Metal Mechanical Components Solid Metal Frame with Stain Resistant Enamel Finish Specifications : Head: 45 degree inclined monocular Eyepieces: WF10X, WF25X Objectives: 4X, 10X, 40X Condenser: single lens with disc diaphragm Stage Dimensions: 3-1/2" x 3-1/2" Illumination: LED Power Supply: 110V/60Hz (adapter included) or 3 AA batteries Packing List : One Monocular Microscope with Three Objectives One Widefield 10X Eyepiece One Widefield 25X Eyepiece One Dust Cover Two Stage Clips (attached) One Outlet Power Adapter Three AA Batteries One Hex Wrench 50 Pre-Cleaned Blank Microscope Slides and 100 22x22mm Square Cover Glass AmScope High Precision 5 in. Straight Precise Tip Tweezers 25pc Prepared Glass Microscope Slides in Plastic Case with Plant, Fungus, Insect and Mammal Specimens 1MP USB 2.0 Color CMOS Digital Eyepiece Microscope Camera