Seiko's Melodies in Motion Clocks are enchanting and magical. This clock mixes playful grey filigree and powerful ancient decorative columns. On the hour, the dial opens to reveal two turning decorative wheels, plays one of twelve of the finest quality sound melodies all while revealing constellations in the background. It has a blue and grey case, a demonstration button, and volume control. This clock is enclosed in glass, features 6 sparkling LED lights, and an off/on switch. This clock will light up your house year-round. Measuring 18.3 X 15.8 X 3.5 inches this spectacular wall clock will add beauty to any space. All Seiko clocks are equipped with crystal quartz movement making it the most precise in time keeping. Powered by 4 "C" batteries, included. This clock is perfect for any age to adult. 6 colorful sparkling LED lights synchronized with hourly melodiesOn the hour, the clock plays one of 12 melodies with motionThe Four Seasons "Spring," Kanon, Eine Kleine Nachtmusik, Symphony No. 6 "Pastoral," "Morning" From Peer Gynt, La Traviata "Drinking Song", Amazing Grace, The Planets "Jupiter", Waltz Of The Flowers, Salut d"Amour, Pictures At An Exhibition "Promenade", Dance Of The Reed Pipes, Powered by 4 C batteries (included)Overall dimensions: 18.25 X 15.75 X 3.50 inchesQuartz crystal movement allows for the most accurate time keepingVolume control allows you to select just the right sound levelLight sensor disengages all melodies and motion when it becomes darkDemonstration button