Lightimetunnel Waterproof LED Aquarium Light Strip for Coral Reef Fish Tank Lighting Bar ( IP65, 54w, 22-inch) The optimal spectrum of blue, white, green and UV(Ultraviolet), creating the natural light environment for healthy growth of reef coral fish etc., and maximizing the light absorption to promote the growing Better light design than the traditional strips for great light performance. High power 3w chips produce 30% higher lumens. Then Lighting all gathered by high transmittance LENs, high light penetration& high light efficiency. Aluminum case for high efficient heat dissipation, IP65, waterproof. Runs cool and quiet 180adjustable brackets for flexible installation,reach to the best angle for the tanks 30 days money back and 1 years warranty, thoughtful after-sales service. Buyers enjoy high-level&excellent buying experience