Seiko Melodies in Motion Wall Clock Dial Opens To Reveal a Decorative Wheel and LED Lights On the hour, the dial opens to reveal a revolving decorative wheel and colorful sparkling lights(LED) and plays one of six Hi-Fi melodies Gold-tone metallic brown case with glass crystal Light sensor, Volume control, Demonstration button and On/off switch Four D batteries and one AA battery included Dimensions: 16 3/4in x 16 1/3in x 5in