MegaBrand 45-50 Inch Marine LED Aquarium Light Fixture Top Lamp White Blue 84 bright LED with 2 colors dramatically enhance fish coloration High power efficiency 0.5W LED chips, low energy consumption Superior High Lumen Output- Much Brighter than others 0.5W LED lights. Can be used at least 50000 hrs Extendable bracket makes LED light fits different size aquariums in extendable range