Power source type: Battery Operated. Operates on (2) AA batteries and (2) C batteries, not included. Protective glass lens. Rotating crystalline pendulum. Volume control. Automatic night silence. Plays the 6 tunes from each selected group one progressively on the hour. Each hour while the song plays, the numbers rotate and LED lights flash. 18 melodies, select between 3 groups: Zen Melodies include The Butterfly Lovers, The Moon Over a Fountain, A Wonderful Night in Spring, The South Recalled, Full of Joy, The Elegant Music; Holiday Classics include The First Noel, Jingle Bells, Silent Night, Deck the Halls, Joy to the World, We Wish You a Merry Christmas; World Favorites include Waltz of the Flowers, Beautiful Dreamer, Greensleeves, Haydn Serenade, The Blue Danube Waltz, Rock-a-Bye Baby. Accurate quartz movement. Warm brown cherry stain on solid hardwood case.