Description: Solar oxygen pump with built-in a 3600mAH lithium battery for storing energy, thus the oxygen pump working in the night as well. Just put the solar panel in a sunny spot and it starts automatically. Suitable for a small to medium-sized pond, outdoor fish tank or water reservoir, etc. Features: [Environment-friendly Solar Energy] The use of solar energy makes it environment-friendly, portable, and easy to install with no need for wiring, no operating cost, and maintenance-free, and solar power is much safer for your kid. [Low Noise] Stable silent oxygen pump with less than 60 dB low noise and 0.5L/min-0.9L/min air volume, suitable for many kinds of containers. [Battery Backup] Built in a 3.7V 3600mAh 18650 lithium battery pack for storing energy, thus the oxygen pump working in the night as well. [Evenly Air Distribution] There are 3 working modes that can meet your different demands, and two airflow outlets make the air distribution more even and pervasive. [Widely
