Feature●Easy to use, battery compatible: With consideration for ease of use, you can plug in the corresponding battery and discharge pure air. It also improves the stability of your work●【Oil Free Lubricating Design】The oxygen pump is designed to lubricate oil free and produce purer compressed air. Therefore, the oxygen increase effect is sustainable and stable●Wide range of uses: It is widely used in aquariums, aquariums, ponds, pools, and aquatic cultures, providing seamless air bubbles and high quality oxygen supply●(High Pressure Air Flow with DC Permanent Magnet Motor) Uses a DC permanent magnet motor, which allows the piston to back and forth in the cylinder to generate large exhaust and high pressure air flow●(High Quality Aluminum Alloy Material) Uses carefully selected high-quality aluminum alloy material with phosphate surface treatment. It has high speed heat dissipation, corrosion resistance, and good adhesionDescription