Make of ABS, floating pool lighting waterproof IP67, outside the floating light covers there is a sealing rings for a better seal The floating pool lighting solar is powered by solar energy and does not need to be charged manually. They absorb solar energy during the day, glowing at night Solar floating pool lighting illuminates the entire pool in a colourful way and provide a romance, cool and unusual party effect that allows a fantastic pool and garden party Swimming pool light have different colour modes. You can switches between different modes. Note: please let it float instead of submersion under water Floating pool lighting can be used for swimming pools, aquariums, bathtubs, discos, family gatherings, hot tubs and hallways, basements, garages, weddings, parties as decorative light