Led Aquarium Light Programmable Auto Dimmable with Sunrise Sunset Cloudy Storm for Marine Aquarium Tank (For 36" tank with 1pcs 86cm panel) This aquarium Led System is designed to imitation natural sun for 36 reef coral and marine fish tank -36 light + 1 smart controller, total cover the tank, no tiny shadow -24hours, 4 channels, 0-100%, free set & many preset mode for coral -No fan, no noise; DC power, water proof cord, best safety -Higher 32% efficiency due to smart mode& lens design