DSunY Manually Control Dimmable Full Spectrum Led Aquarium Light/Coral Fish Tank Light for Aquarium/Reef SPS/LPS/ Soft Corals(Two-year Warranty) No Fan and Ultra quite, you no longer have to suffer from fan noise Daisy-chain, two 48-51inch length adjustable parallel line, best fully cover the tank 8 channels 0-100%dimmable More save power bill 50% compare with old-fashioned led aquarium light Nice profile, well worthy your lovely tank