Clip On Book Light for Working, Camping, Fishing & Reading At Night. This is a new clip on book light. Great for working, camping, fishing and reading at night. Adjustable clip for any kind of use. Uses Lithium battery that is included. This is portable and can be attached to a desk, hat and book. Shine at any angle by adjusting the arm and lamp shade. It measures approximately 6" x 2 1/4" x 1 3/8" (152 x 57 x 35 mm) We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.