Excellent product for the watch industry, especially for inspecting these small objects Store the folding magnifying glass in your pocket or purse Ideal for the visually impaired and sufferers with small print Magnification: 40x; with 1 white LED light, 1 UV light (with switch) Description: These jeweler's loupes are constructed with sturdy metal construction, bright dual LED, UV currency detection / jewelry identification type and optical glass. , Coins & Stamp Collectors, Geography, Circuit Board & Printing Industry, Gardening, Education, Home & Office Store the folding magnifier in your pocket or purse Ideal for the visually impaired and those who suffer with tiny characters Magnification: 40x Objective 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 Magnifier with LED Light