On the hour, the dial opens to reveal a revolving decorative wheel and multi-colored LED flashing lights, along with one of seven melodies: Yesterday; Miagetegoran Yoruno Hosio; Hey Jude; The Long And Winding Road; Let It Be; Kawano Nagarenoyouni; Imagine Gold-tone and metal brown case Light sensor Volume control Glass crystal Demonstration button Four "D" batteries and one "AA" battery included 1 3/4" x 16 1/3" x 5"