Specifications: Power: 1.5W Max Flow Rate: 450ML/Min Voltage: AC 220V-240V/50Hz Noise: <35dB Pressure: 12KPa Air Tubing: 3.8ft long, inside diameter 3/16inch Power cord: 3.6ft Suitable fish bowl size: 1 to 15 gallon Feature: The shape of the mini air pump is very unique, it looks very cool. The compact air pump will be very quiet when it's working, the power wattage is 1W, you can only hear the bubble sounds. It comes with a 3.8ft air tubing and a small round air stone, you don't need to buy other accessories. The bubbles come out of the small air stone are very fine and micro, add more oxygen into water. The air tubing hose is flexible, you can cut it according to your needs length. The air pump comes with 1 double-side suction cup, you can use it to fix the air pump on to the outside of fish tank/bowl.