Features:Water activated: lights up automatically when putting in waterTouch control: also can light it up by touching the baseLighting effect: auto color changing， flashing beatifullyEnergy saving: auto off when out of water for 20 secondsSize: 2.25 X 2.25 X 2" / 6 X 6 X 5 cmDuck color: yellowLighting colors: multicolorPackage include:3xBath Duck Toy