Uniform gas, abundant oxygen, can be used to light up and create oxygen for fish, also can be used as an aquarium decoration, 12 RGB multi-color LEDs - add fun to your aquarium and small fish. Easy to use, plug and play, comes with 1.3m power cable, strong suction cup helps to hold the cable securely in the tank Design low pressure safety, energy saving, suitable for aquariums, fish tanks, swimming pools, ponds, etc. Waterproof: Excellent waterproof design for underwater work, this product is completely waterproof so can be fully submerged in water. Connect to an air pump for bubble effect ( air pump not included), create a lot of air bubbles (need to connect to an air pump) to blow cool air into the aquarium water