Pool Light That Float Colorful Pond Light in quality and safe design: made from quality ABS material, BPA, environmentally friendly, with smooth edges and strong waterproof performance. Easy to operate: designed with a button in the middle for ergonomic, simple on/off control that is safe and convenient for both kids and adults. Simple, tool installation: close the cover, tighten the screw, and press the button to enjoy the colorful lights. To turn off, press and hold for 3 seconds. It requires 3 batteries to operate (not included). Wide range of applications: ideal for pools, ponds, fish tanks, bathtubs, fountains, waterfalls, aquariums, weddings, discos, and other outdoor decorations to create a unique atmosphere. Use scenarios: Backyard pool party or evening gathering for vibrant illumination and ambiance. Wedding reception or romantic setting with colorful, floating lights. Aquariums, fish tanks, or tubs to add decorative lighting and mood lighting.