[Solar ]Solar energy powered, no electricity needed, justsunshine, 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 ofpond to increase oxygen.;[Easy to Use]Connecttube andair stone put it inwater,aerator pump will float inwater and work.;[Low Noise]Stable and silent oxygen pump,volume is less than 60 decibels, andair output is 0.8 liters/minute.;[With Battery]Built-in 3.7V 2200mAhbattery to store , sooxygen pump can also work at night.
