Size and 5X 11x Magnification193 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 adjustableCompact and elegant design, portable weight, easy to use, 3 movable joints ensure the stand can be stretched to any height as you need when used as a desktop magnifier. With a comfortable ergonomic handle suitable for children, adults, seniors, amateurs and professionals. Bright LED Lights8 powerful energy-saving LED lights to easily illuminate anything with a magnifying glass at 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 PowerYou can connect your computer, your laptop or your mobile power supply (without the USB charger) via a USB cable. It can also be powered by 3 AAA batteries (battery not included). High Quality LensThe lens of the magnifier 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 that allows you to wipe the lens to give you a more professional deformation-free lens. Multiple5 times, 11 times [Mirror diameter] Primary mirror 75mm Auxiliary mirror 19mm [Material] ABS, acrylic lens [Lighting source] 8 white LED lights [Product power supply] Plug in USB or use 3 AA batteries (product does not include batteries) Size192X90X26mm [Voltage power] Voltage input 110-240V, output voltage 5V, power 0.4W, power consumption 0.6W [Packing list] Magnifier + USB pluggable cable + English manual