This clock brings all of the charm and character of Brooklyn, New York Brownstones to life; enjoy as the clock face splits and rotates while music plays to one of 18 songs on the hour, every hour or Westminster Chime 4 Swarovski Crystals add impressive detail and charm not to mention sparkle, this clock will light up your house year-round Sensor disables lights, chime and music when it is dark Volume control allows you to select just the right sound level; chose from classic songs or holiday favorites Powered by 4 C batteries (included); overall dimensions 17.44 X 15.95 X 3.81 inches