Yabuy OWSOO Aquarium Airpump, 1.5W Solar Pump for Pond Aeration Fountain

[Evenly Air Distribution]There are 3 working modes can meet your different demands, and two air outlets make air distribution more even and pervasive. [Battery Backup]Built in a 3.7V 3600mAh 18650 battery pack for storing energy, thus oxygen pump working in night as well. [Low Noise]Stable silent oxygen pump with less than 60 low noise and 0.5L/min－0.9L/min air , suitable for many kinds of containers. [Environment-friendly Solar Energy] 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. [Widely Applicable] solar panel angle can be adjusted to receive sunlight most sufficiently. Perfect for bird bath, small pond, garden decoration, water circulation for oxygen, etc.