Hamilton Technology Kona Sun adds bright sparkling light to your aquarium. Bright enough for coral reef aquariums, these LEDs provide your aquarium with an attractive shimmer effect. Low electrical consumption - only 27 watts. Enhances color in fish, coral and marine life. Low heat - no fans needed, this light does not add any heat to the water. Water resistant, sealed LED fixture - long life. Quiet operation - no noise. Includes transformer.