Note: 90 watts is the maximum output. The output will be less if you turn down the blue or white LEDs. Variable Color Temperature: Using the two knobs on the top of the light you can tune the LEDs to your desired color temperature. Advanced Thermal System: Innovative heat management system lets the light run efficiently for a long time. LED array specifically designed and tailored for reef aquariums.Advanced optics effectively direct deep, penetrating light that creates a beautiful shimmer effect. The glitter lines rival metal halide lights. The item "KESSIL A360WE TUNABLUE LED ADD A SPLASH OF COLOR BEST REEF LIGHTS HANDS DOWN" is in sale since Wednesday, December 12, 2018. This item is in the category "Pet Supplies\Fish & Aquariums\Lighting & Bulbs". The seller is "retek71" and is located in Alhambra, California. This item can be shipped worldwide.