This microscope package comes with a high power microscope a 25pc slide kit and the microscope book The World of The Microscope . It is a great package for students to learn science. The microscope offers five magnification settings 40X 100X 250X 400X and 1000X. It has full optical glass elements metal framework 360 degree rotatable monocular head and the LED illumination system that uses either wall-power (adapter included) or three AA batteries (or re-chargeable batteries). The 25-piece slide set includes assorted specimens of plants insects and animal tissues. . It is an ideal microscope for home school or for students from elementary to high school. It is also an excellent instrument for hobbyists. with retail value $450. The specimen slides include: Pine Leaf Coprimus Mushroom Set Sunflower Stem Young Root of Broad Bean Onion Epidermis Tilia Stem Pumpkin Stem Lillium Ovary Lillium Anther Zea Stem Nymphaea of Apustio Stem Hydrilla Verticillata Leaf Pine Stem Dog Esophagus Human Blood Dog Skeletal Muscle Pig Motor Nerve Rabbit Spinal Cord Rabbit Testis Dog Cardiac Muscle Dense Connective Tissue Housebee Mouth Parts Honeybee Worker Leg-Composite Hydra Dog Stomach. Features : A Great Affordable High Power Student Microscope for Sciences 45 Degree Inclined 360 Degree Swiveling Monocular Head with Locked-in Eyepiece Built-In Contemporary LED Illumination System Using either Wall-power or Batteries 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 and 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 A 25pc prepared slide specimen collection Manufactured under ISO 9001 Quality Control Standard Excellent Five (5) Year Factory Warranty Unbeatable low price Guaranteed or the Difference Back! Satisfaction Guaranteed or Your Money Back! Specifications : Head: 45 degree inclined monocular Eyepiece: WF10X & 25X 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 (not included) Packing List : One Monocular Microscope Three Objectives 4X 10X 40X One Widefield 10X Eyepiece One Widefield 25X Eyepiece One Power Adapter One Dust Cover Two Clips User s Manual One 25pc Prepared Slide Kit One Microscope Book Shipping Weight: 6 lbs