[Full Page Book Light for Reading in Bed At Night]: This book light adopts a lighting structure design, which is a panel/ board/ plate, and its entire clear transparent panel will light up when turn it on, being to provide clear and warm light in the reading position that it covers! [Right Brightness ]: without stray light escaping to bother anyone else that near you [Clear Panel Plate Book Light Lamp]: reduce eyestrain and portable and design. [Wireless Book Reading Light]: Powered by 3 x AAA batteries (NOT Included), for book, and the likes Colour:Black Material:ABS Package Contents: 1 * Reading Light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.