Multifunction Magnifier Auxiliary Clip LED Light Magnifier Desktop Adjustable Support Helping Repair Tools for Reading Engraving. Features include adjustable clamp support, sturdy and stable base, and LED lighting for better visibility. Specifications include ABS, metal, and acrylic lenses construction, 170 * 140 * 160mm dimensions, 60mm and 17mm lens diameters, 3.5x and 12x magnification, and two LED lights powered by 3 * AAA batteries.