LED Light wedge Panel Book Reading Lamp Paperback NightKey Features The Light Panel LED book light is a completely new Way to use light for readingAnd is fully protable and lightweight.Just place it on the book and read.With no stray light escaping to bother anyone else.It isdesigned specifically for paperback books.Specifications:Compact 15.8 x 17.6cm size fits any paperbacks.50 hours of light on three AAA batteries.One-turning operation，adjustable brightness.Lightweight only 105g