his Magnifying Glass is extremely useful in technology fields inspecting parts and circuit boards and inspecting jewelry, as well as in hobbies, stamps, postcards, reading newspaper, checking maps. 2 in 1 function: UV currency detector, 5X magnifier High Power Magnifier with 2 LED light and ON/OFF switch will makes anything much clearer to see. Pocket design is easily fits in pocket, purse, or desk drawer! This Jewelry Magnifier works with 3 X LR44 batteries. Materials: Plastic and Glass Magnification: 5X The lens has 51X43mm # The images represent actual product though color of the image and product may slightly differ.