Deckey 18 Inch RGB LED light Underwater LED Aquarium Light Strip & Airstone for Aquarium Fish Tank Flood Lights 46cm/18inches, 110-240V/DC12V-1A. Leds fully illuminate the air cutian, producing the impressive wall of bubbles. Easy to install, it is suitable for fresh and saltwater aquarium. 18 leds, this light will gradually change colors and slowly flicker. Adds a whole new decorative dimension to any aquarium. Great night light for nocturnal viewing.