The ultimate Orchestra Light! Nine LED's will brightly light 4 pages of music. Two brightness levels, precisely engineered lens to spread the light evenly, flexible gooseneck, broad padded clip and a stable free standing base let you use this light as a clip-on or standing on a table. Weighs a solid 10 ounces for extra stability. Includes travel bag, 3 AA batteries (for up to 16 hours of use) and AC adaptor.