1. Powerful 40x Magnification: The LED and UV jeweler's loupe has powerful magnification so you can examine the smallest details up close. The magnifying glass provides distortion-free magnification. It is ideal for the watch industry, for examining small objects, for reading small texts, or for checking gemstones and diamonds.^2. Product with high-quality illumination: Even in the dark, the jewelry magnifying glass with LED and UV light can give you a crystal clear, sharp image. The UV light can also be used to recognize currency and identify jewelry. It requires 3 LR927 batteries (batteries included).^3. PORTABLE DESIGN: Simply pull out the jewelry magnifying glass to use it and slide it back into the case when not in use. The storage case allows you to store the magnifying glass in your pocket or any other place while saving space.^4. Versatile: The eye magnifying glass is ideal for rock and coin collectors, jewelers, hobbyists, for industrial purposes, and also as a great gift for children to explore the amazing world of small things. The eye loupe is made of optical magnifying glass and all-metal housing, making it lighter, more stable, more compact, and more useful.