Precision Instrument: Ideal for gems, jewelry, coins, stamps, rocks, watches, hobbies, antiques, models, photos industry and more. This JARLINK jeweler's loop allows you to distinguish and see objects in crisp, clear detail. | Dual Lens Loupes: Equipped with a primary lens of 30x22mm and a supplementary lens of 60x12mm. The innovative design allows the light to switch sides according to the lens in use. For optimal clarity, the lens should be close to the object being viewed. | Illuminating LED Light: This LED loupe illuminates your subject at the right angle and amount, ensuring the best possible visibility. The LED lights are designed to provide superior illumination for clear viewing. | Durable and Lightweight: Constructed from robust aluminum and plastic, this loupe magnifier is designed for longevity yet remains small and lightweight. Each package includes a handy fabric bag to keep your magnifier safe and dust-free. | Portable and Convenient: The JARLINK jeweler's loop folds easily into your pocket or bag for transport or storage when not in use. Package includes 1*screw, 3*LR1130 button batteries, 1*loupe, 1*product manual, 1*bag. We're committed to providing quality products and prompt customer service.