Size & 5X 11x Magnification: 193 x 90 x 26 mm; Lens Diameter: 75 mm, 19 mm; Magnification: 5X (large lens); 11 X (small lens); Material = ABS, Acrylic Optical Lens. Superb 5X (500) and 11X (1100%) magnification power for more detailed tasks. Whether you are using books, newspapers, maps, stamps or jewelry, you can get precise views with 5x magnification with our professional grade lenses without distortion. With Foldable Stand, Height Adjustable: Compact and stylish design, portable weight, easy to use, 3 movable joints ensure that the stand can be stretched to any height according to your needs when used as a desktop magnifier. With a comfortable ergonomic handle suitable for children, adults, seniors, amateurs and professionals. Lighting: 8 LED lights ensure an evenly illuminated viewing area. (3 AAA batteries not included) for grinding, welding and cutting, good quality leather. The brightness can be adjusted to make the working environment more comfortable, improve work efficiency, effectively protect vision and avoid visual fatigue. USB and Battery Powered - You can connect your computer, laptop or mobile power supply (excluding USB charger) via a USB cable. It can also be powered by 3 AAA batteries (battery not included). Handheld or Desktop Magnifier: The magnifying glass can be used as a desktop magnifier by stretching its stand and placing it on the table. It can also be folded as a hand-held magnifying glass for a wider range of applications. Note: The data are all measured manually, please allow 1-3cm error, due to differences in light and display, there may be some color differences, please refer to the actual item received.