Aquarium Air 1 Pond Stone 2L/min Pump Charging Powered/DC Solar Oxygen Oxygenator Water Tomfoto Airpump with Aerator

AC/DC oxygen pump, using copper movement, built-in high-quality lithium battery. With a small size, low noise, large air , durable for use. Adopts advanced single-chip intelligent control. Constant voltage/current charging, overcharge and over-discharge protection, low battery alarm. Widely used for a variety of ornamental fish, aquarium, company aquarium, small ponds.