Lighted Magnifier: This LED jeweler's loupe measures 4.5 cm wide, 8.3 cm long when folded, and 13.1 cm long when unfolded. It is available in 3 different sizes: the 30X lens measures 23.6 mm in diameter, the 60X lens measures 9 mm in diameter, and the 90X lens measures 6.1 mm in diameter. This embroidery loupe comes with instructions and requires 3 LR44 batteries (batteries not included). PRACTICAL DESIGN: This jeweler's loupe is made of high-quality, durable plastic and features 3 scratch-resistant acrylic lenses. This professional jeweler's loupe is ergonomically designed, lightweight, and easy to carry in your bag or pocket. This pocket magnifier allows you to enlarge text and inspect defects if necessary. Its compact size allows you to expand your field of vision while traveling or on the go. EASY TO USE: The 30x 60X 90X cordless battery magnifier comes with 3 different lighting modes: a powerful LED light with two intensity settings to give you strong illumination and a UV