.Colourful sparkling lights synchronized with hourly melodiesEvery hour the dial parts open and rotate while randomly playing one of 18 classical melodies with opening & ending sequenceMade with crystalsDemonstration buttonLight sensor disengages all melodies and motion when it becomes darkVolume controlOne way rotating pendulum Battery: C x 4 Melodies include: The four seasons "Spring, Kanon, Eine Kleine Natchtmusik, Symphony No 6, Morning from Peer Gynt, La Traviata, Amazing Grace, The Planets "Jupiter", Waltz of the Flowers, Salut d'amour, Pictures at an Exhibition "Promenade", Dance of the Reed Pipes 6 Christmas melodies: Deck the Halls, O Tannenbaum, We wish you a merry Christmas, Joy to the world, Silent night, Jingle bells. Fitted with a reliable quartz battery operated movement. Comes boxed with Seiko instruction booklet and 2 year manufacturer's guaranteeModel Number QXM291BBrand SeikoAlarm NoBacklight NoBattery Included YesClock Depth Approx 100Clock Height Approx 440Clock Width Approx 410EAN 4517228826214Giftbox SeikoGuarantee 2 Years Manufacturers (UK Only)Movement QuartzPowersource BatteryStyle MelodyVolume Control Yes