Main Features: 100 Brand new and High Quality. Premium quality, ideal for the watch or jewelry making industry. The lens has 20mm diameter and 10mm. Great tool for reading book and paper, jewelry, coins, stamps and antiques etc. Pullout and tiny design, portable and easy to carry. Specification: Magnification: 30x and 45x and 60x Lens Diameter: 20mm diameter and 10mm Illumination: 3 LED light, 1 led can use as a small torch, 1 purple light led has currency detecting function. 1 led help you read in the dark lighting conditions. Reading, jewellery evaluating, lighting and currency detecting etc. Small volume, easy to carry, unipue meshed skid-proof design for outer housing. Light powered by 3 LR1130 batteries (included) Size: 9.8(L) x 4.8(W) x 1.8(H)cm approx Weight: 50g Package Included: 1 x Jeweler loupe