3000X Monocular Optical Microscope Elementary School Children Science Experimental Biology Microscope Digital Microscope

Specifications: Material: alloy Battery for the fill light: 3 * AAA battery (not included) Magnification: 3000X Focusing ran: 0-30mm Eyepiece: 16X, 30X, 2Xextender Objective lens: 4X, 10X, 40X Optical system: refractor Observation lens tube: monocular straight tube length of canister: 120mm / 4.7in Item size: 285 * 160 * 110mm / 11.2 * 6.3 * 4.3in Item weight: 792g / 1.7lb Packa size: 318 * 203 * 150mm / 12.5 * 8.0 * 5.9in Packa weight: 1294g / 2.9lb Packing list: 1 * Microscope 2 * Eyepiece 1 * Extender (2X) 1 * Fill Light 1 * Accessory Tool Set