The Original Mighty Bright MiniFlex Clip On Book Light Reading Light, 1 Bright White LED, Flexible, Durable, Compact Design Perfect For Bookworms, Kids, Read in Bed, 25 Hour Battery Life (Blue) The Mighty Bright MinilFlex is the perfect compact booklight, providing 10 lumens of brightness and powered by only (1) AAA battery with a battery life of 25 hours. With its optical grade lens, the light is distributed evenly with no hotspots or harsh edges. It also has a narrow space-saving clip that fits easily onto most hardcover book spines, and a flexible, adjustable neck that is slightly shorter than our other book lights. Lightweight and multi-purpose  not just for books! It can also be used free-standing on its small base and its sturdy clip opens to 1  wide. Great for camping, kids reading, studying, on music stands, as an automotive repair light, a computer light, for tasks, crafts &amp; hobbies, travel, and for reading in bed without disturbing your partner. Featuring 1 bright white High CRI LED (High Color Rendering Index LEDs) the MinilFlex provides accurate color rendering and even light output. Colors appear more vibrant and true, and with minimal optical distortion. We quality test to FCC, CE, RoHS and Reach, UL, and California Prop 65 standards, and we audit our suppliers working and living conditions, and factory safety, to ensure high standards.