Excellent product for the watch industry, especially for inspecting small objects Store the folding magnifying glass in your pocket or purse Ideal for the visually impaired and those who have difficulty reading small print Magnification: 40x; with 1 white LED light and 1 UV light (with switch) These jeweler's loupes feature sturdy metal construction, bright dual LED lighting, UV detection for currency and jewelry identification, and optical glass lenses Suitable for coin and stamp collectors, geography, circuit board inspection, printing industry, gardening, education, home, and office use Store the folding magnifier in your pocket or purse Ideal for the visually impaired and those who struggle with tiny text Magnification: 40x Objective lens diameter: 25mm With 1 white LED light and 1 UV light (with switch) Light powered by 3 LR927 batteries (included) Package Included: 1x 40x 25mm Jeweler's Magnifier with LED Light