Specification:Material: Acrylonitrile Butadiene Styrene (ABS)Color: blackMagnification: 1200XSize: 22x13cmBattery: 2xAA (Not included)Light source: LEDConverter: Three-hole camber Features:● Safety, intelligence, health● Complete product functions, easy to operate● Clear imaging and practical● With LED light● A good choice for learning, playing together, children's toysApplication: Student microscope (5-12 years old) How to use? (Instructions)Instructions:1. Insert the battery and turn on the power switch.2. Turn the focus knob counterclockwise to the lens barrel to adjust the light brightness3. Take the specimen first and place the specimen on a glass slide4. Objective goes to 400x, or 1200x5. Look at the objective lens, adjust the height of the right-hand objective lens to the lowest position, but do not touch the slide glass, look at the eyepiece, and adjust the focus with your right hand a little bit. Package include:● 1 x student biological microscope●1 x permanent section●4 x blank glass● 2 x collection bottles●1 x specimen box●1 x tweezers