This 2x4 rectangular handheld LED Magnifier features bright white LED illumination to reduce eye strain in low light and increase battery life. Manufactured with the same quality and care that makes Bausch and Lomb optical products a premium choice, the 2x4 rectangular LED magnifier has a crystal clear acrylic 2x magnification lens that provides sharp distortion-free optics throughout the entire viewing area. Great for reading coins, stamps and other hobbies, the Bausch and Lomb 2x4 rectangular LED magnifier can be easily stored in a pocket, briefcase or purse. It uses one AAA battery (not included).