47CM(18.5") 18 Led Aquarium Lighting 5.2W Flood Bubble Light Strip + 24 Keys RC Remote for Fish Tank with US Plug+3pcs Free Artificial Jellyfish (Green Blue Pink) You can choose 16 different colors and various light color changing modes by using the IR remote.? A 47CM (18.5") 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