[Solar Powered] Solar powered, no electricity needed, just the sun, an energy-saving and environmentally friendly product. [Working mode] The oxygen pump works for 10 seconds and stops for 10 seconds. It is recommended to install in a small family pond, and a small area of the pond to increase oxygen. [Easy to use] Connect the tube and the air stone put it in water, the aerator pump will float in the water and work. [Low noise] Stable and quiet oxygen pump, the volume is less than 60 decibels, and the airflow is 0.8 liters/minute. [With battery] Built-in 3.7V 2200mAh lithium battery to store energy, so the oxygen pump can also work at night.< /p>
