General description Magnifying Glasses with 2 LED Lights feature 8 detachable lenses, providing hands-free magnification for various tasks such as repair, reading, jewelry making, and watch maintenance. The glasses are designed to be worn on the head, allowing for convenience and ease of use. Technical specifications Color: Black Material: ABS, Glass Focal Length: 0.5 - 25.9 cm / 0.2 - 10.2 inch Magnification Levels: 2.5X, 4X, 6X, 8X, 10X, 15X, 20X, 25X Battery: 6 LR1130 batteries Dimensions: 19 x 14.5 x 6 cm Other information Note: Do not use the lens on both eyes at the same time. The mount and headband are interchangeable. The higher the magnification, the shorter the focal length will be.