DSunY&reg; Programmable Intelligent Ultra-thin LED Lighting System Plus Moonlights for Aquarium/Reef SPS/LPS/ Soft Corals, 72-Inch No Fan design, No any noise Best cover any shape tank and No shadow Highest energy efficiency:Not only save 70~85% on power over HID lighting, but also higher 13% than normal LED aquarium led thanks of high-quality power design and no fan design. 98% of the light emitted from LED was absorbed by Coral and other water plants. This LED system allows you to quickly build a custom, professional looking and functioning system with minimum tools.