On the hour, the clock plays one of twelve Hi-Fi melodies. Two sets of melodies are available for selection on the control panel: Popular Selection: Hey! Baby!, Hooked On A Feeling, On Broadway, The Way You Do The Things You Do, This Old Heart Of Mine (Is Weak For You), We Belong. Christmas Selection: Deck The Halls, O Tannenbaum, We Wish You A Merry Christmas, Joy To The World, Silent Night, Jingle Bells. Features: Brown metallic case with two Swarovski crystals; Light sensor; Volume control; Demonstration button; Rotating pendulum with twelve Swarovski crystals; On/off switch; Two "C" batteries and three "AA" batteries included; Dimensions 16 1/2" x 15 1/4" x 2 3/4"