Walter All Purpose Dissecting Microscope All metal fame - durable No batteries needed Easy to use and portable Total 20X magnification Beginner microscope for grades K to 6 The portable, all-purpose microscope is perfect for young explorers needing an instrument for outdoor field work. It features a 10x wide-field eyepiece and 20x magnification providing a large viewing field. This scope provides an upright clear image using either indoor or natural lighting, which means that no electricity is needed. Sturdy metal framework with a large platform for viewing dissected specimens. Includes a 5 year limited warranty.Technical Specifications Body Rugged all metal construction Head Monocular head, 45° inclined, 360° rotatable Eyepiece Locked-on 10X wide-field eyepiece Objectives 2X glass objective Stage Large 14 x 11cm stage, locked-on spring loaded stage clips, 6cm reversible black and white stage plate Focusing System Coarse focus control with rack and pinion mechanisms, slip clutch to protect focusing mechanism Working Distance 7.4cm with a maximum specimen height of 4cm Illumination Natural light reflected from stage Accessories Vinyl dust cover and user manual Warranty Limited 5 year In the Box 2054 Model Microscope 1 x 10X Wide-Field Objective 1 x 2X Objective One Instruction Manual 1 x Heavy Duty Dust-Cover Manual & WarrantyWalter Product 5-Year Warranty