: Hands-free eyewear legs and headband are interchangeable to ensure a more comfortable and tight fit. Eyecups move from side to side and rotate 180 degrees up and down. Left and right double eye patch magnifier magnifier with adjustable LED. 4 pairs of interchangeable lenses with different magnifications. 4 different magnifications are quickly interchangeable. If you use this magnifier for a long time, you can alternate the two barrels to eliminate visual fatigue and improve work efficiency. Specifications: Device Type: Binocular Magnifier Magnification: 10x, 15x, 20x, 25x Illumination: LED light Number of LEDs: 2 Power Supply: 6 x LR1130 button cell batteries (included) Material: ABS Glass Color: Black Size: 21 14 6 cm Package Includes: 1 x Binocular Magnifier 1 x Headband 4 x Pair of Lenses Instructions for use: Keep clean after use Please allow a slight difference of 1-3 cm due to manual measurement. Thank you and have a nice day!Perfect Gift: This product is the perfect choice for antique jewelry clock maintenance and appraisal personnel. Customizable and Convenient: The movable eye mask can be adjusted horizontally and rotated up to 180 degrees vertically, allowing for a personalized and comfortable viewing position. With four sets of interchangeable lenses, each offering different magnification levels, you can easily switch between tasks and choose the perfect lens for your specific needs. LED Light and Adjustable Design: Our eyeglass magnifiers feature built-in LED lights, providing bright and focused illumination for precision instrument repairs and jewelry identification. The hands-free eyeglass legs and interchangeable headband ensure a comfortable and secure fit, allowing you to work or examine objects with ease. Versatile Applications: The headband magnifying glass is ideal for a wide range of tasks. Whether you're working in industries, such as electronics, circuit board inspection, or printing, or need them for hobbies like jewelry identification, education, geography, or even daily household and office use, our magnifying glasses have got you covered. Superior Quality: Our Jeweler Watch Repair Magnifying glasses are made with premium optical glass, ensuring clear and distortion-free vision for all your magnification needs. These glasses are built to last, making them perfect for everyday use.