Check the listing for details. Led Reading Light Black Led Book Light Chrome Neck Books E Reader. Condition: Used. Listed at 12.75 USD. Led Reading Light Black Led Book Light Chrome Neck Books E Reader FLEXIBLE NECK DESIGN: The light emitting from this book light fully illuminates the book pages and screen thanks to a flexible neck design.PORTABLE & LIGHTWEIGHT: portable reading light is easy to fold and can be conveniently stored in travel cases and backpacks. It is very lightweight at only 2.4 ounces, with dimensions of 8.5 x 1.5 x 4 inches.EASY TO REPLACE BATTERY: The book reading light comes with (2) CR2032 lithium coin cell batteries. Replacement batteries can be purchased on in bulk for approximately 0.25 per unit.REDUCED GLARE: The design and shape of this reading light illuminate e-book devices and the pages of books with reduced glare. This allows you to read in complete darkness and produces less strain on your eyes.EASY TO SECURE: The Reading Light is designed to fasten to books and e-book units easily and securely.