Features: Characteristics: Cultivate children interested in scientific knowledge. Promoting children's ability to observe and begin the journey of exploration of the beautiful microbial. Easy to use, fully functional, clear for image formation, beautiful and practical, suitable for viewing a variety of biological specimen slides. Peek into the eyes of the world. A for key to unlocking the door of for wisdom. Instructions: 1. Open the batteries compartment door after unlocking protect screw. 2. place two aa batteries as prescribed in the soil compartment. 3.Put back the protective screw. 4. Lift the objective up as much as possible with the rough adjustment. 5. put a slide with the tissue or organism that you want to observe on the stage, Probably under the two internship clips. 6. Turn on the LED light. 7. Adjust the for focus with the coarse adjustment, and pass the ocular to your for Facial capacity runs smoothly. 8. Adjust the light intensity with the light control knot. Too much light can crush Specifications: Material:Plastic Item size: Approx.211 *115 *70mm Extension ratio: 100X; 400X; 1200X According to the photo buyer choice, some products do not have a box. Battery: 2x AA battery (not included) Note: Please do not use a strong power battery, or upgrade the battery, this will light up the LED. Note: 1.Please allow 1-3cm error due to manual measurement. pls 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 Kids Microscope