1. Powerful 40x Magnification: LED and UV jeweler's magnifying glass features powerful magnification, allowing you to carefully observe the smallest details. Magnifying glass provides distortion-free magnification. It is ideal for the watch industry and can be used to inspect small objects, read small texts or inspect gemstones and diamonds. ^ 2. Products with high-quality lighting: Jewelry magnifiers with LED and UV lights can help you get clear and sharp images even in the dark. UV light can also be used to identify currency and identify jewelry. It requires 3 LR927 batteries (batteries included). ^ 3. Portable design: Just slide the jewelry magnifying glass out to use, slide it back into the box when not in use. The storage box allows you to store the magnifying glass in your pocket or any other place while saving space. ^ 4. Multifunctional: The eye magnifying glass is perfect for gem and coin collectors, jewelers, hobbyists, industrial use and as a wonderful gift for children to explore the wonderful world of tiny things. The eye magnifying glass adopts optical magnifying glass and full metal casing, making it lighter, more stable, more compact and more practical.