The magnifying glass has 3 progressively increasing magnifications, including 30X, 60X and 90X, the other is equipped with 40X, the optical lens diameter is about 25mm/0.98 inch, which gives you a better field of vision and brings great convenienceOur luminous jewelry magnifier has a bright LED light, you can see objects clearly in low-light areas, suitable for a variety of items; one for LR1130 batteries, pre-installed, and another for LR44 coin cell batteries, easy and convenientEach jewelry magnifying glass is mainly made of high-quality zinc alloy and ABS plastic, acrylic glass, which is reliable and durable, not easy to deform or break, and can be stored for a long time; the magnifying glass is compact in design, light in weight, foldable and light in weightWide Applicable Occasions: Jewelry magnifier is not only suitable for gems, jewelry, stamps, coins, but also watches, antiques, models, etc.; it is a good helper for jewelers, rock collectors, coin collectors, geology learners and others.Material: Metal + Plasticcolour: black + silverPackage Contents:1 x Full Metal LED Folding Magnifier1 x Plastic Magnifying GlassOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.