Recommendation :Hanging 12"-16" Above water One 165w aquarium light is suitable for a 24"x24" tank. Warm Tips : Just indoor Use Only , NOT Intended for Outdoor Use , Pls Don' t Drop The Light into The Water Which Will Destroy The Light. The item "165W Dimmable Full Spectrum Led Aquarium Light Fish Tank Reef Coral Marine Lamp" is in sale since Wednesday, March 1, 2017. This item is in the category "Pet Supplies\Fish & Aquarium\Lighting & Hoods".The seller is "leature_eu" and is located in Shenzhen. This item can be shipped to all countries in Europe, Japan, Canada.