Hayward LPWUS11050 2-volt 500-watt Universal CrystaLogic White LED Pool Light with 50-Feet Cord Universal CrystaLogic white LED lighting represents a breakthrough technology for the illumination of any water feature or recreational body of water UL listed to be installed in virtually any pool or spa niche Use up to 79-percent less energy than incandescent lights and lasts up to 10x longer UCL thin niche provides incredible installation savings for new construction Can be installed in a little as 4-inch below the waterline and upward facing without rock guard