Hayward CrystaLogic® LPWUS11050 50' 12V 500W Equivalent White Universal LED Light. The Industry’s brightest and most versatile 100W spa, 300W, 500W equivalent white LED pool lights for any water feature or recreational body of water. Universal CrystaLogic® will drastically reduce operation costs and deliver dynamic lighting performance you simple have to see to believe. It’s exceptionally bright and remarkably efficient, offering a savings of up to 84% over incandescent, lasting 10 times longer and delivering a payback in less than two years.