Features: 1. The lens has a 25 mm diameter. 2. It is made of high quality material, durable enough for your daily using 3. Quality lens for extra sharpness and clarity 4. Folds into itself, lens can be retracted in case when not use 5. Compact, lightweight,great to have one in your pocket all the time 6. Great tool for appraise jewelry, coins, stamps and antiques etc 7. Premium quality, ideal for the watch or jewelry making industry 8. Comes with a protective clear plastic box 9. The key to open the lid to replace the battery Specifications: * Magnification:45X * Lens Diameter: 0.98inch/25mm * LED Number: 2 *Material magnifying : full metal Magnifying glass films: high-definition optical glass lenses *Color:Silver *Power: 3 x LR927 batteries(include) *Light Source: LED lights Package Contents 1x SILVER 40X25MM MAGNIFIER JEWELRY LOUPE