Premium quality, ideal for the watch or jewelry making industry. The lens has 48 X 28 mm. Great tool for reading book and paper, jewelry, coins, stamps and antiques etc. Comes with a paper box. Illumination: 3 LED lights. 3 led help you read in the dark lighting conditions. Reading, jewelry evaluating, lighting and Carrency detecting etc. Small volume, easy to carry. Light powered by 2 AA batteries (Not Included). Magnifier power: Main lens: 5X48mm.