This 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. 3 in 1 function: UV currency detector, 5X magnifier, LED Light. 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 Magnifier works with 3 X LR44 batteries. Magnification: 5x Diopter:6D Transparence:93% Lens Size: 51x 43 mm Lens Material: PMMA Materials: Plastic and Glass Dimension: 12x 4x 1 cm (LxWxH) Approx In the Box