General description Excellent product for the watch industry, especially for inspecting small items. This folding magnifier is ideal for the visually impaired and those who struggle with small print. It can easily be stored in your pocket or purse, making it convenient for on-the-go use. Technical specifications Magnification: 40x Lens Diameter: 25 mm Light: 1 white LED light, 1 UV light (with switch) Power: 3 x LR927 batteries (included) Construction: Sturdy metal with optical glass Usage Ideal for jewelers, coin and stamp collectors, and those in the geography, circuit board, printing, gardening, education, home, and office industries. Other information Package includes: 1x 40x 25mm jeweler's loupe with LED light