Developed with one of the leading designers of aquarium lighting control in the world, our feature-rich HALO Controllable LED Lighting System advances the art of reef aquarium lighting to new levels. The Aquatic Life HALO LED fixtures create amazing shimmer for your aquatic environment, and the desired color and light intensity are easily adjusted with the simple turn of a dial. The addition of next-generation UV LEDâs further enhances vibrant plant growth and coloration of fishes. The HALO is designed and built for long service life, simple operation and maximum performance, all in a very compact, low maintenance, efficient and attractive fixture.