Eye Jewelers Watch Repair 20x Magnifier Magnifying LED Lighted Glass Loupe Lamp Ideal tool for jeweler, watchmaker, coin and stamp connoisseur,Outdoor activities, home use and processing, installation & repairing in electronic industry Adjustable LED Light for better illumination Loupe can be adjusted on the eye glass frame Battery: 2 X CR1620 3V batteries (Batteries not included) Material: High density ABS environmental plastic, high quality optical lens glasses bracket for iron