YueYueZou&reg; Multi-Color Aquarium Curtain Light Air Bubbler for Fish/Sea Plant Tank Suits SaltWater Fresh Water Adds a whole new decorative dimension to any aquarium. Great night light and night viewing for your fishes, aquarium and your room. Self-weighted, quick assemble and install in your aquarium, suitable for fresh and saltwater aquarium. Use low voltage DC 12V working voltage, safe and won't cause any harm to people or fish. Leds fully illuminate the air cutian, producing a impressive wall of bubbles. There 7 different colors changing and you need not to change them by yourself. Length: 12 inch/31 cm; Voltage: 110-240V