This Book Reading Flexible LED Light is perfect for reading in the dark without disturbing othersFeatures:1.Special designed optical lens to give you better reading experience，able to minimize the light shone on the book or kindle's screen， let your eyes more comfortable.2. Flexible gooseneck provides a stable reading environment and directs light anywhere you need3. Easily clips onto the cover of your book， Kindle or iPad4. Compact and portable design5. Adjustable light angle6. Ultra-bright LED:Two Super LED lamp brightness is equivalent to six regular LED7. Press the botton to change LED mode(Single-LED /Dual-LED/Off)Specifications:Material:PlasticColor: BlackSize:Base:80*43*40mm Lamp:215*20*15mmBatteries: 3 x AAA batteries (batteries not included)Package included:1x Dual LED Lamp