Multi-function - It has 7 lighting modes to create pretty patterns by pressing the central button. Each style is made up of different combinations of red, green and blue bulb, some flashing and some still. Simple installation - Open the battery with whirling way. Place 3* AAA batteries (not included) then close the lid and tighten the screws. Attach the dome, press the button and enjoy the colorful light! To turn it off, just press and pause for 3 seconds. Waterproof Design - Our LED pool light has a clear waterproof ring along the seal of the upper shell to prevent water coming in. The waterproof rating up to IP68. Note: Please let it float rather than submerge it underwater. Fun design - The multi-colored light is a pretty cool decor in a swimming pool, pond, and fountain. The light floats around, the patterns move and swirl. if you have any questions please contact us directly, we will provide you with the best shopping experience. Package include: 1 x underwater LED light, 1 x English user manual, Provide 6-moths Guarantee, if you have any questions please contact us directly, we will provide you with the best shopping experience. Specifications Light Source: 6 LEDs Colors: Red, Green, Blue Material: food-grade PC Battery Type: 3*AAA Batteries Product Dimensions: 10.5*10.5*8.5cm Package Weight: 175g (battery not included) How to Use Step 1.Hold the bottom with one hand while anticlockwise twisting the lid with another hand until Until the lid is unscrewed Step 2.Screw out the three screws, and take out the cover. put three AAA battery into the battery case, make sure the battery's anode and cathode are correct Step 3.Put on the switch to check if it will work, if it works then long-pressing on the switch and it will turn off Step 4.Lastly, tightening the screws back if not，the water will ruin the battery, then will be damaged Package include: 1 x Bathtub Led Light Warning 1. The light should be floating on water rather than submerging under the water! 2. To turn off the light, just press the button and holds for 3 seconds.