Sb-228 EU Aquarium Oxygen Pump Compressor Fish Tank USB Rechargeable Small Portable Exhaust Ultra-quiet Indoor Outdoor Fishing SB-228: Power: 2W Voltage: DC-5V Air pressure: 0.02Mpa * 2 Air output: 3L/Min * 2 Water outlet: double hole. USB Powered: Convenient USB connection for easy use. Multiple Power Options: Available in 1W, 2W, or 3.5W to meet different needs. Long Battery Life: Up to 185 hours of operation on a single charge for extended use. Adjustable Airflow: Airflow rates of 3L/min or dual 3L/min for flexible oxygen supply. Multiple Outlets: Equipped with 1-2 air outlets for various applications. Recommended Usage: Fish Tanks: Suitable for aquariums of all sizes, providing ample oxygen for healthy . Color: White Material: ABS Package Contents: 1 * SB-228 double-hole oxygenation pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.