understand your fish better and make your aquarium more beautiful! Make your aquarium more attractive!This colorful bubble lamp can meet your needs. This product is completely waterproof so it can be completely submerged in water. Made from high quality non-toxic, safe, energy efficient materials. The light effects are so brilliant that you can see the fish clearly in the pool and have a completely different view. Features Fully sealed design for underwater work, fit for aquarium, fish tank, swimming pool, etc. This is an underwater air bubble color changing LED air stone to decorate your aquarium Multi-color LED flashing automatically Can work with air pump for air bubble swirl effect (air pump is not included) Specification Waterproof: IP68 Voltage: 220V / 50-60Hz Output: DC12V Power: 1w LED quantity: 12PCS Cable length: 130cm