Usage Tips:30X Magnifying Glass: With 30X scratch-resistant high power lens, perfect for observing details clearly. Double-deck optical glass lens, high clear magnifying lens with scale and measurement in inch and mm units, convenient for use.3 LED Light: Come with bright led and uv light allows you to reading in dark. The uv light also can works as a detector for things such as the paper currency, passports, Credit cards, and traveler's checks etc.With Scale Plate: Used to measure the actual size of objects very conveniently, perfect for reading fine details in jewelry, watch industry, woven fabric, etc. Mini size magnifying glass is also suit for kids to identify the tiny world.Portable & Easy to Use: Portable and tough enough to take with you wherever you go. Comes with leather case for added protection from dust and scratches. Lens Diameter: 26mmMultiple Uses: perfect magnifier for sewing, reading, close observation of textile, printing, pigeon eye, antiques, viewing coins, stamps. suitable for children, adults, seniors, hobbyists and professionals.Colour:blackMaterial:Metal + glassSize:6x5x4.6cmPackage Contents:2 x Scale magnifier2 x Synthetic leather caseOnly the above package content, other products are not included.Note: Light 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.