【Size and Magnification】: 193 x 90 x 26 mm; Lens Diameter: 75 mm, 19 mm; Magnification: 5X (large lens); 11X (small lens); Material = ABS, Optical Acrylic Lens. Experience superb 5X (500%) and 11X (1100%) magnification for detailed tasks with our professional distortion-free lenses. 【With Foldable Stand, Height Adjustable】: Compact and elegant design with portable weight, easy to use. 3 movable joints ensure the stand can be extended to any height you need when used as a desktop magnifier. Features a comfortable ergonomic handle suitable for children, adults, seniors, hobbyists, and professionals. 【Lighting】: 8 LED lights provide an evenly illuminated viewing area. (3 AAA batteries not included). Ideal for grinding, welding, and cutting. The brightness is adjustable to create a more comfortable working environment, improve efficiency, and protect your eyesight. 【USB and Power】: Connect to your computer, laptop, or mobile power via USB cable (USB charger not included). Can also be powered by 3 AAA batteries (batteries not included). 【Pocket or Desktop Magnifier】: Use it as a desktop magnifier by extending its stand, or fold it into a handheld magnifier for a wider range of applications.