The Halco FLCWS-120-50 ProLED Color LED Spa Light 4W 120V 50′ Cord features multiple colors and light shows to turn your pool into a backyard oasis. The optical diffuser lens makes the color throughout the water appear rich and vibrant, and eliminates hot spots of different colors on the bottom of the pool. The Halco ProLED Pool & Spa Light installs quickly and easily providing immediate energy cost savings over incandescent lights. It operates effectively with most popular automation systems such as Pentair and Jandy as well as the lights can be controlled with a simple on/off switch.