Radio Dancer disco party flashing light motion lamp Multi colored lights can dance to the beat of the music. Green and red L.E.D. lights on a spinning arm create seemingly endless colorful geometric patterns. The Radio Dancer has two settings constant on or sound reactive. Switch to the sound reactive mode and the patterns change to the music beat. The more you watch, the more you get into it. This product does an excellent job of converting sound into light images. Sits on a table or can be wall mounted. Comes with plug in adapter or can be battery operated. The Radio Dancer is 8.5" high by 3" wide. Great for parties!