Description: Solar oxygen pump with built in a 2400mAh 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. [Large Air Volume] Stable silent oxygen pump with less than 60 dB low noise and 1.4L/min air volume, suitable for 40-250L container. [Battery Backup] Built in a 7.4V 2400mAh 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 can meet your different demands, and two air flow outlets make the air distribution more even and pervasive. [Adjustable Angle] The solar
