New Release Power: 28w Flow: single outlet 60 L/min Pressure: 0,03MPa Battery life: 10 hours on continuous operation and up to 80 hours on intermittent setting Resun Low Noise AC/DC Pond Air Pumps are the perfect solution for power outages to run your fish pond, or aquarium with backup air. Features: - Dual mode power supply - AC or Battery. - When plugged in, the air pump works by AC power and the battery charges automatically. - Unique structure with heat dissipation and low noise, large air output, pressure and long service life. - Digital display panel, easy maintenance and replacing of the battery. - Anti-rust aluminium alloy alloy double air outlet - Portable design with soft rubber handle, easy to carry and move. - "Easy to clean" housing made of UV proof material for anti-sun exposure.