brand new and high quality Features: Cultivate children's interest in scientific knowledge. Fostering children's ability to observe and to begin the journey of exploration of the wonderful microbial. Easy to operate, fully functional, clear imaging, beautiful and practical, suitable for viewing a variety of biological specimen slides. Peek into the eyes of the world. A for key to unlock the door of for wisdom. Instructions: 1. Open the batteries compartment door after unscrewing the protecting screw. 2. Insert two AA batteries, as directed in the compartment's bottom. 3. Put back the protecting screw. 4. Lift the objective lens on as much as possible with the coarse adjustment. 5. Put a slide with the tissue or organism that you want to observe on the stage, fixed under the two stage clip. 6. Turn on the LED light . 7. Adjust the for focus with the coarse adjustment,and adjust the eyepiece to your eyesight by turning it gently. 8. Adjust the light intensity with the light control knod. Too much light can crush Specification: Enlargement ratio: 100X; 400X; 1200X Powered by: 2 x AA batteries(not included) Body material: ABS Dimensions: 12.5x7.5x21.5cm/4.92x2.95x8.46inch Color: Blue Quantity: 1 Set Note: 1.Please allow 0-1cm 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: 1 x Microscope 1 x Moblie Phone Holder 1 x Permanent slice 4 x Blank slide 2 x Collection bottle 1 x Specimen box 1 x Tweezer