This clock has a continuously turning revolving wheel adorn with Swarovski Crystals and a unique swinging pendulum holding 4 trumpeters Along with the rotating dial and rocking trumpeter pendulum, on the hour this clock also coordinates this unique display with a selection of one of 18 melodies Optional volume control, On/Off switch and display button lets you silence your clock on demand, while it still keeps perfect time Clock measures 20.2″ high by 13.5″ wide by 3.3” deep