Here's some light reading: The Energizer Book Light emits a warm, white LED light with superior contrast for optimal reading conditions or other up-close tasks. The exclusive beam design delivers broad illumination while still being narrow enough to not bother anyone near you. Forget lugging around a flashlight, this book light is easy to travel with-its flexible neck and compact size fit in your pocket, backpack, or purse without hassle. Simply clip the reading light onto a book, binder, tablet, eReader, car visor, or any other surface that is 0.5 inches (13mm) thick. Order the Energizer LED Book Light now and stop reading this, so you can start reading everywhere.