Great product for the watch industry, especially for inspecting those small items Store the folding loupe in your pocket or purse Great for people with low vision and people who struggle with small print Magnification: 40x; with 1 white LED light, 1 UV light (with switch) Description: These jeweler's loupes are built with sturdy metal construction, dual bright LED, UV currency detection / jewelry identification type and optical glass. , Coins & Stamp Collectors, Geography, Circuit Board & Printing Industry, Gardening, Education, Home & Offices Store the folding magnifier in your pocket or purse Ideal for people with low vision and those who struggle with tiny print Magnification: 40x Lens Diameter: 25mm with 1 white LED light, 1 UV light (with switch) Light powered by 3 LR927 batteries (included) Package Included: 1x 40x 25mm Jeweler's Loupe with LED Light