ITEM NAME:Efficient Aquarium Oxygen Fish Air Pump Tank High Energy Super Silent!QF3C Increase the oxygen in the fish tank. With low power consumption, high efficiency, energy saving, long life, stable performance. Air Pump only,other accessories demo in the picture is not included! Specifications: Voltage: 220 / 240V Frequency: 50Hz Power: 5W Displacement (flow rate): 3.5L / min Size: about 100 * 50 * 40MM Suitable for: both fresh and seawater aquarium Package Contents: 1pc x Oxygen Pump.Suitable for: both fresh and seawater aquarium. Increase the oxygen in the fish tank. 1pc x Oxygen Pump. With low power consumption, high efficiency, energy saving, long life, stable performance. Air Pump only,other accessories demo in the picture is not included!