120w led use with regard to growning with plants, reef corals, sea food, etc. Hues: White/Blue: White (15, 000k : 20, 000k) Orange (460nm) Environment-Friendly. Don't contain harmful substance, Includes a couple power cord and several switches for separate regulate of blue and white leds with regard to timer. Built-in cooling system to resolve the heating dissipation fantasticly. Built-in power supply, CE accepted, No create required, simply simpler and safer attaches directly. The lighting area together with height above the plant can be changed according to different factories and natural environment, and also technical parameters are changed. NOT A WATER EVIDENCE ITEM DON'T WET ITEM. My websites: Fish Aquarium Light - Different Types of Aquarium Lights