Gas powered and enough oxygen, can be used to light up and create oxygen for fish, also can be used as aquarium decoration, 12 multi-color LED lights - fun for your aquarium and small fish< /p> Easy to use, plug and play, comes with 1.3m power cord, strong suction cup helps secure the cable in the tank Low pressure safety design , energy saving, suitable for aquariums, fish tanks, swimming pools, ponds, etc. Waterproof: Excellent waterproof design for underwater work, this product is completely waterproof and can be completely submerged in water. Connect to an air pump for bubble effect (pump air pump not included), create lots of air bubbles (requires connection to an air pump) to blow cool air into the aquarium water. Package Contents packaging : 1 LED light, no other decorations.