Activate the brightly colored tactile switch to rotate Colors in Motion. Watch the incredible soothing liquid drip endless colored patterns while one of five relaxing high quality sounds of new age music plays. An adjustable timer (1 to 35 seconds) controls how long the music and lights are activated after the switch plate is released. The device also has a switch input for those who need to use their own capability switch. This is a wonderful calming, gentle and peaceful experience. Size: 12"W x 8"H x 13"D. Requires 4 AAA and 4 C Batteries.