Multi-power: The pocket magnifier has 3 progressive magnifications: 30X, 60X and 90XPocket size: Lens diameter: 30X (25mm), 60X (12mm), 90X (8mm) Compact and lightweight, weighing only 45 grams, requires 3 LR44 batteries (batteries included).Versatile: built-in LED light and UV black light for detecting counterfeit coins, powerful zoom function combined with a clear distortion-free view.Foldable design: simply slide out the jewellery magnifier when in use and put it back in place when not in use.Versatile: ideal for elderly people with poor eyesight, can be used in antiques, jewellery appraisal, electronics repair, precision machining, printing, gardening, stamp collecting and more