3X Reading Magnifier?: 3X (magnifies up to 300%) is considered the most comfortable magnification for reading small prints, ideal for viewing and checking small hobby and craft materials, small electronic gadget parts. Improved?: The lens is made of optical grade acrylic, a material superior to Fresnel lens, which provides crystal clear image quality with minimal distortion, perfect for seniors with aging eyes and those with low vision. ?: The large rectangular magnifier provides a larger viewing area without moving the magnifier, reducing the hassle of multiple movements while reading. Built-in 4 LEDs: The large reading magnifier is equipped with 4 energy-saving LED lights, each bright enough to read in low light conditions. To protect your eyes in the dark.?A Variety of Reading Methods?: The hands-free magnifier not only can be hand-held, but also can be hung around the neck, you can also stand on the file so that you can read it in different ways. Note: the data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.