Solar Oxygen PumpSolar Oxygen Aerator Air Pump Oxygenator for Aquarium Outdoor Pool PondThis is a high quality aquarium fish air pump. Made of high quality ABS material, it is tough and durable to use. Powerful high output pumps meet most aquarium air needs and are designed to ensure years of reliable, trouble-free use. Perfect air pump for adding water movement and oxygen to the aquarium to improve water health and give your fish a comfortable environment.+ productMade of high quality ABS material, tough and durable.Elegant color and stylish design.Built-in 1800mAh high capacity battery, it can work for a long time up to 22 hours once fully charged.Powered by solar energy, no battery or electricity needed, energy saving and environmentally friendly.Specifications:Condition: Brand NewType: AC air pumpMaterial: ABSBattery: 3.7V 1800mAh 18650 lithium battery (Included)Working voltage: 3.0-4.25VWorking hours: about 22 hours (fully charged)Solar panel: 6V / 2.4W / 420MADimmable control: NoAir pump:Nominal voltage: 3.5VMaximum current: 450MAdB: 50dBMinimum air flow: 1L/minSize: 9.1 x 17 x 2.1cm / 3.58 x 6.69 x 0.83inch (Approx.)Package Included:1 x Aquarium Air Pump1 x solar panel1 x Accessories Package2 x air stones2 x tubesx User ManualNoticed:Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.Please understand that colors may exist chromatic aberration as the different placement of pictures.FeaturesBuilt-in 1800mAh high capacity battery, it can work for a long time up to 22 hours once fully charged.Technologically advanced design provides smooth, quiet operation.Powerful, high-efficiency pumps meet most aquarium air needs and are built to provide years of reliable, trouble-free use.Perfect air pump to add water movement and oxygen into the aquarium to improve water health and give your fish a comfortable environment, thus improving the overall health of the aquarium.