The VE-JI is the ideal educational microscope for ages 8 and the perfect device to introduce students to the fantastic world of science. It includes incident and transmitted illumination. A portable device that is simple to use yet of excellent quality and battery operated. Ideal for the observation of flowers, plants, fungi, pollen, insect extremities, protozoa and mold on bread or fruit. . Product Specifications: EYEPIECE WF 10X/18 mm with block screw. HEAD Monocular head, 45° inclined. NOSEPIECE Triple nosepiece with click-stop. OBJECTIVES 4X, 10X and 40X, achromatic optics and color ring for easy identification. STAND Stative, robust and reinforced with epoxy paint finish.. STAGE Flat , 3.54in x 3.54in, with two stage clips and height adjustment. CONDENSER N.A. 0.65. DIAPHRAGM Disk type. FOCUSING Coarse anti-slip control knob. ILLUMINATION Transmitted and incident LED light. WEIGHT 6.16 lb / 2.79 kg. DIMENSIONS 5.11in x 11.81in x 6.10in / 169.9 x 260 x 379.9 mm POWER SUPPLY Three 1.5V AA batteries (not included). Accessories included: 1 concave slide. 4 prepared slides. 1 Dissecting needle. 5 blank slides. 1 Petri dish with cover. Adhesive labels for slides. 1 Pipette (1ml). Cover slips. Dustcover. 1 Test tube (12 x 75mm/0.47in x2.95in). Lens cleaner paper. 1 wooden applicator. Tweezers. 1 Wooden cotton swab.