Features: [WATERPROOF AND SAFE DESIGN] - Made of food grade PC, non-toxic, no BPA. Our LED pool lights have a transparent waterproof ring at the upper shell seal to prevent water from entering. Waterproof rating up to IP68. Note: Please let it float instead of diving underwater. [MAGIC LIGHT MODE] - Floating Pool Lights have 7 different modes, illuminating, flickering, discoloring, the easiest way to create magical light shows, and for your pool party or fountain, ponds add disco style, aquarium, etc. [SEVEN DIFFERENT LIGHTING MODES] - Choose from different color displays, fast and slow flashing, slow fade in or out. Simply tap the on/off button to switch modes. [LARGE AREA EXPANSION AREA] - Put it in the water, it can make the whole pool light, it is colorful, of course, if it is a larger swimming pool does not matter, you can add two or three water lamps. It will give you a soothing mood lighting and a fantastic underwater disco ball. [EASY TO USE] - just open it! Put it in! Let the bath time party begin! Use LED light bathroom toys to increase bathing fun! Watch it, rotate it, dunk it, splash it! Have fun when they wash! All children will enjoy the bath time. How to use: Short press the switch to turn it on, press again to switch mode: Mode 1: 4 colors (red, orange, blue, green) alternate, fast flashing Mode 2: Colorful, fast flash Mode 3: 4 colors (green, blue, red, orange) alternate, slow flash Mode 4: Colorful, constantly changing, no change Mode 5: Colorful lights flash quickly for 3 seconds, 4 colors alternately change (slow flashing) for 3 seconds, colorful How to Use: 1. Firstly, screw out the three screws, and take out the cover. 2. Secondly, put three AAA battery into the battery case, make sure the battery's anode and cathode are correct. 3. Thirdly, put on the switch to check if it will work, if it works then long-pressing on the switch and it will turn off. 4. Lastly, tightening the screws back if not the water will ruin the battery, then will be damaged.