Come and see our amazing products. This microscope is a great tool for elementary-level education. Three lenses can be easily rotated into place for three different levels of magnification, and the adjustable eyepiece can zoom in for even more detail. A built-in LED provides the light needed to produce bright images. Setup is easy. Install two AA batteries (not included), then switch on the LED light. Place the already-prepared specimen-slide included with the microscope on the viewing stage. Start at the lowest magnification, and use the focus knob to bring the image into focus. Move the slide around until you find something interesting. Now you can change the magnification to get closer and closer. You'll be amazed by what you see! Come with phone adapter, operating accessories, microscope slides all allow a prefect using Pls confirm with us about the packing info, stock color and exact production time before placing your order.