Floating Tub Light: Lightweight, waterproof design. She is beautiful and really illuminates the water. In swimming pools, bathtubs, fountains and more, this floating hot tub light adds fun for teens and adults. Enjoy bath time: bath toys can bring lots of toddler disco bath time fun. There are many settings with flash, but you can use slower settings if you prefer. Even parents can enjoy a relaxing bath with books and dim lighting. RGB Floating Spa Lights: Floating lights sit above the water and cast colored light below . 7 different lighting modes. Choose from different color displays, fast and slow flashing, slow fade or continuous. Simply press the on/off button to switch modes. Easy to install and replace: the easiest way is to cut the top and bottom of the light with the palm of your hand, then twist the bottom half counterclockwise and the top will separate to give you access to the electronics and battery area. button and insert water and wait for the lanterns to appear Power supply 3 x AA (LR03) batteries Product does not include batteries