This headband magnifier is a high quality head-mounted magnifier with 2 LED lights. It comes with 4 interchangeable lenses, 10X, 15X, 20X, 25X magnification, to meet your viewing needs. The ergonomic design provides a comfortable fit, and these magnifiers provide good reading aid for people of all ages. Perfect lens 10X to 25X magnifying lenses are ideal for welding, modeling, coins, stamps, identification, watches, textile printing and electronic repairs, etc. specification - Type: Close range magnifying glass - Material: Acrylic Optical Lens ABS Metal - Colour: Black - Weight: 60g - Single lens magnification: 10X, 15X, 20X, 25X - Focal length: 0.2-2 inches (0.5-5cm) - Battery: 3 sections LR1130 (included) Package includes 1 wearing a magnifying glass 4 interchangeable head Application range Older people, low vision people, macular degeneration, reading books, newspapers, reading crosswords, suitable for children to observe insects, repairing electronic products, cataloging coins, helping to produce small, precise craftsmen, enjoying flowers potted landscapes, etc.Note - This magnifying glass has a short focal length, which means you need to bring the object closer to the lens. Professional magnifying glass: widely used in inspection, watch and mechanical equipment maintenance and evaluation. Not for reading. Two energy-saving LEDs: easy to use hands-free, with a headlight with a built-in LED light, can be used in low light or dark environment, bringing a bright field of view, ensuring accurate illumination of the light source on the surface of the object being observed, the battery is included Inside