Size and 5X 11X Magnification: 193 X 90 X 26Mm; Lens Diameter: 75Mm, 19Mm; Magnification: 5X (Large Lens); 11 X (Small Lens); Material = Abs, Acrylic Optical Lens. Enjoy excellent 5X (500%) and 11X (1100%) magnification for detailed tasks. Our professional lenses offer distortion-free viewing. With Foldable Stand, Height Adjustable: Compact and sleek design, portable weight, easy to use. 3 movable joints ensure the stand can be stretched to any height. Perfect for use as a table magnifier. Features a comfortable ergonomic handle suitable for children, adults, seniors, hobbyists, and professionals. Illumination: 8 LED lights ensure an evenly lit viewing area. (3 AAA batteries not included) Ideal for grinding, welding, and cutting, high-quality leather work. Brightness can be adjusted to make the work environment more comfortable, improve work efficiency, effectively protect vision, and prevent eye fatigue. USB and Battery Operation - You can connect your computer, laptop, or mobile power supply (without USB charger) via USB cable. It can also be powered by 3 AAA batteries (battery not included). Pocket or Table Magnifier: The magnifier can be used as a table magnifier by stretching out the stand and placing it on the table. It can also be folded as a handheld magnifier for a wider range of applications.