Spectra UC-100"Tune-A-Fish" AM/FM Shower Radio Water-resistant rubber seals and Built-in AM and FM antenna Built-in waterproof Mylar speaker Suction cup mounting or fin hook hanger Battery operated: 2 x 'AA' (UM-3)(not included) Size: 8-1/2 in(H) x 8-1/8 in(W) x 2-1/2 in(D)