[Solar ]Solar energy powered, no electricity needed, just sunshine, energy-saving, and environmentally friendly product.;[Working Mode] oxygen pump works for 10s and stops for 10s. It is recommended to install in a small family pond, and a small area of pond to increase oxygen.;[Easy to Use]Connect tube and air stone put it in water, aerator pump will float in water and work.;[Low Noise]Stable and silent oxygen pump, volume is less than 60 decibels, and air output is 0.8 liters/minute.;[With Battery]Built-in 3.7V 2200mAh battery to store , so oxygen pump can also work at night.
