Marineland's revolutionary LED lighting systems are energy and cost efficient. They offer many advantages over fluorescent light sources, including lower energy consumption, longer lifetime, and greater durability and reliability. These LED systems are non-toxic and promote a safe environment for your fish. And all this innovation is built into a sleek, modern design. Each product comes in four flexible sizes to fit 18-24 inch, 24-36 inch , 36-48 inch, or 48-60 inch areas. Our available LED systems include the single-byte LED, the double-byte LED, and the Reef-Capable LED. These systems' natural shimmer effects replicate the light of the sun and the moon in your aquarium environment. You and your fish will love the environment produced by the Marineland LED systems.