Features: Characteristics: Cultivates children's interest in scientific knowledge. Enhances children's observation skills and sparks exploration of the microbial world. Easy to use, fully functional, clear imaging, beautiful and practical, suitable for viewing a variety of biological specimen slides. A window to the world, unlocking the door to wisdom. Instructions: 1. Open the battery compartment after unlocking the protective screw. 2. Place two AA batteries as indicated in the compartment. 3. Replace the protective screw. 4. Raise the objective lens as high as possible using the coarse adjustment. 5. Place a slide with the tissue or organism you wish to observe on the stage, preferably under the two clips. 6. Turn on the LED light. 7. Adjust the focus with the coarse adjustment and gently move the eyepiece to your face. 8. Adjust the light intensity with the light control knob. Too much light can wash out the image. Specifications: Material: Plastic Item Size: Approx. 211*115*70mm Magnification: 100X; 400X; 1200X Note: Some products may not include a box, depending on the buyer's photo selection. Battery: 2 x AA batteries (not included) Note: Do not use a high-powered battery or upgraded battery, as this will burn out the LED. Note: 1. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes (without retail package): 1 x Children's Microscope