Size and 5X 11x Magnification: 193 x 90 x 26mm; Diameter = 75mm; Magnification: 5X (large objective); 11 X (small lens); Material = ABS, acrylic optical lens. Superb 5X (500) and 11X (1100%) magnification power for more detailed tasks With foldable stand, height adjustable: Compact and elegant design, portable weight, easy to use, 3 joints Movable ensure that the stand can be stretched to any height as needed when used as a desktop magnifier. With a comfortable ergonomic handle suitable for children, adults, seniors, amateurs and professionals. Bright LED Lights - 8 powerful energy-saving LED lights to easily illuminate anything with a magnifying glass. night or in the dark. The brightness can be adjusted to make the working environment more comfortable, improve work efficiency, effectively protect vision and prevent visual fatigue. USB and Battery Power - You can connect your computer, laptop or mobile power supply (without the USB charger) via USB cable. It can also be powered by 3 AAA batteries (battery not included). High Quality Lens- The magnifier lens is reinforced and has a hardness of up to 5 hours, which is more wear resistant. Provides clearer imaging magnification. There is also a lens cloth in the package which allows you to wipe the lens to give you a more professional deformation-free lens.