MegaBrand 45-50 Inch 144W LED Aquatic Marine Reef Aquarium Lighting Fixture 48 bright LED with 6 colors dramatically enhance fish, coral reef and invertebrate coloration, so beautiful High power efficiency 3W LED chips, low energy consumption Superior High Lumen Output- Much Brighter than others 3W LED lights Can be used at least 10000 hrs 3 optional control modes: All LED On / Only Middle Row(12 LED)On / Close