Annong Aquarium Flood Bubble Light Bar (20" 21LED 5.4W) You can choose 16 different colors and various light color changing modes by using the IR remote A 31CM (12") long led strip and airstone combination that adds a whole new decorative dimension to any aquarium Leds fully illuminate the air cutian, producing the impressive wall of bubbles Each unit use a low wattage led lamps and low voltage transformer Completely Waterproof