1、Large air volume oxygenation: This product has a large air volume oxygenation function, which can provide sufficient oxygen for the fish in the fish tank, ensuring the survival environment of the fish. 2、Bottom silicone pad: The bottom is equipped with a silicone pad, which is anti-slip and shock-absorbing, ensuring the stability of the product and preventing noise caused by vibration. 3、Complete accessories: The product comes with accessories such as air tubes, check valves, and bubble stones, making it more convenient to use. 4、Two models: The product has two models, single-hole oxygenation pump and dual-hole oxygenation pump, to meet the needs of different users. 5、Silent operation: The product operates at a sound lower than conversation, which will not affect the normal life of users. 6、Adjustable air volume: For the dual-hole oxygenation pump model of the product, users can adjust the air volume according to their needs, which is more user-friendly. 7、Air Pump Single Air Hole Aquarium Oxygen Pump, Fish Tank Bubbler, Complete Accessories, Silent Operation 8、Air Pump Dual-hole Aquarium Air Pump, Large Air Volume Oxygenation, Fish Tank Bubbler, Complete Accessories, Silent Operation, Adjustable Air Volume Features: Large air volume oxygenation: This product has a large air volume oxygenation function, which can provide sufficient oxygen for the fish in the fish tank, ensuring the survival environment of the fish. Bottom silicone pad: The bottom is equipped with a silicone pad, which is anti-slip and shock-absorbing, ensuring the stability of the product and preventing noise caused by vibration. Complete accessories: The product comes with accessories such as air tubes, check valves, and bubble stones, making it more convenient to use. Two models: The product has two models, single-hole oxygenation pump and dual-hole oxygenation pump, to meet the needs of different users. Silent operation: The product operates at a sound lower than conversation, which will not affect the normal life of users. Adjustable air volume: For the dual-hole oxygenation pump model of the product, users can adjust the air volume according to their needs, which is more user-friendly. Specification: Optional Model: A- DB702(Single-hole) / B- DB705(Dual-hole) Optional Plug: EU Standard / US Standard: Color: Black Material: ABS Voltage: 220/50Hz; 110v/60Hz Power: 10W Pressure: 22kpa Output: 2*3.5L/min Wire: 1.2M/47.2in Product Size: 7*8.5*16cm(2.7*3.3*6.2in) Package Size: 17.1*10.5*8cm Package Weight: 710g Package list: 1* Oxygenation pump 1* Air tubes 1* Check valves 1* Bubble stones 1* Oxygenation pump 1* Air tubes 1* Check valves 1* Bubble stones