[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.
