Specification Power:9W/ 11W / 15W / 20W / 28W View Angle: 120° Ibput Voltage: DC 12V Light Source: LED Color: Blue Light / Blue&White Light / Blue & White & Green & Red Light Material:Aluminum Type of Bulb :5730 ‎LED Package Includes 1x Fish Tank Light About This Item [Timing Function]Built in timing function, no need to purchasing an additional timer. It has three choices of 3 hours, 6 hours, and 12 hours. Once the setup has completed, the fish light will be automatically turn on and off completely everyday. [Brightness Adjustment] With the brightness adjusting function, you can adjust the brightness (5 levels brightness ), not only protects the fish but also protects our eyes. [3 Light Modes] This led tank light has 3 light modes(all lights / blue lights / white&Blue L.