LED Book Light by French Bull - LED Book Light - Book Reading Light - LED Reading Light (Black & White) EASY TO ATTACH: The French Bull LED Book Light by WITHit is built with an easy-to-attach clip that fastens to books and e-book devices. FLEXIBLE NECK DESIGN: This LED book clip light is designed with a flexible neck that can fully illuminate the screen. It can fit Kindle devices as well. REDUCED GLARE: LED lighting is incredibly efficient, and it also reduces the glare on pages and e-book devices. This makes reading much easier and puts less strain on your eyes. COST-EFFECTIVE MAINTENANCE: The French Bull LED book reading light comes with two CR2032 coin cell batteries (included). Replacement batteries can be purchased on Amazon in bulk for approximately $0.25 per unit. PORTABLE & LIGHTWEIGHT: WITHits powerful LED reading light weighs only 2.4 ounces, with dimensions of 8.5 x 1.5 x 4 inches. Its easy to fold and can be packed in most backpacks and travel cases. Packaged in small bubble bag to reduce packaging waste.