Brand new and high quality. Features: Cultivate children's interest in scientific knowledge. Foster children's ability to observe and embark on a journey to explore the wonderful microbial world. Easy to use, fully functional, clear imaging, beautiful and practical, suitable for viewing a variety of biological specimens. Peek into the eyes of the world. A key to unlock the door to wisdom. Instructions: 1. Open the battery compartment door after unscrewing the protective screw. 2. Insert two AA batteries according to the instructions at the bottom of the compartment. 3. Replace the protective screw. 4. Lift the objective lens as much as possible with the coarse adjustment. 5. Place a slide with the tissue or organism you want to observe on the platform, fixed under the two platform clips. 6. Turn on the LED light. 7. Adjust the focus with the coarse adjustment and adjust the eyepiece to your vision by gently turning it. 8. Adjust the light intensity with the light control knob. Too much light can destroy the image. Specification: Magnification: 100X; 400X; 1200X Powered by: 2 x AA batteries (not included) Body Material: ABS Dimensions: 12.5x7.5x21.5cm/4.92x2.95x8.46in Color: Blue Quantity: 1 Set Note: 1. Please allow 0-1cm error due to manual measurement. Make sure you don't 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: 1 x Microscope 1 x Mobile Phone Holder 1 x Permanent Section 4 x Blank Slide 2 x Collection Bottle 1 x Specimen Box 1 x Tweezers