LED (light emitting diode) floating pool light. Features a variety of beautiful displays with 5 color modes: red, green, blue, yellow, and alternating between all of the colors. Easy to operate, simply press the on button at the top of the ball. There is no wiring or outside electrical power required and no operation and maintenance cost. The light is powered by (3) AA batteries, not included. The LED light is IP68 waterproof. And no worries about running the battery down, the light shuts off automatically after one hour when not in use.