Excellent product for the watch industry, especially for inspecting those small items Store the folding magnifier in your pocket or purse Ideal for the visually impaired and people who suffer 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, double Brilliant LED, UV currency detection/jewelry identification type and optical glass. , Coins and Stamp Collectors, Geography, Circuit Board and Printing Industry, Gardening, Education, Home and Offices Store the folding magnifier in your pocket or purse. main Ideal for the visually impaired and those who suffer with tiny characters Magnification: 40x Lens Diameter: 25 mm with 1 white LED light, 1 UV light (with switch) Light powered by 3 x LR927 batteries ( included) Package included: 1x 40x 25mm jeweler's loupe with LED light