Excellent product for the watch industry, especially for inspecting those small itemsStore the folding magnifier in your pocket or purseIdeal for the visually impaired and people who suffer with small printMagnification: 40x; with 1 white LED light, 1 UV light (with switch)These jeweler's loupes are built with sturdy metal construction, bright dual LEDs, UV currency detection/jewelry identification type and optical glass. , Coins and stamp collectors, Geography, Circuit print and printing industry, gardening, education, home and officeStore the folding magnifier in your pocket or purseIdeal for the visually impaired and those who suffer with tiny printMagnification: 40xLens diameter: 25mmwith 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