Aqueon OptiBright Plus LED Fixture 48-54" 48" Fixture. Legs extend to 54". 48" X 3" X .75". 8 preset color options for quick customization For freshwater or marine fish-only aquariums, and aquariums with low-med light level plants 76X white LEDs; 10X blue LEDs; 10X red LEDs Par=18 @ at 12". Lumens=1125.