Specifications: 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. 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 pcs LR1130 button batteries(included). Type: Jeweler Loupe Color: Black Material: ABS, Acrylic Lens Magnification: 30x (Primary Mirror), 45x (Secondary Mirror), 60x (Secondary Mirror) Features: LED UV Lighted, 3 Lenses, High Quality Lens Diameter: 9mm, 20mm/0.35", 0.79" (Approx.) Size: 63mm x 46mm x 22mm/2.48" x 1.81" x 0.87" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Jeweler loupe 1 x 3 Pcs LR1130 Button Batteries 1 x English/Chinese User Manual