Features: [Easy to Install]The solar aerator pump has a ground plug, just stick it into the ground. [Solar-powered]The use of solar energy makes it eco-friendly, and maintenance-free, and solar power is much safer for your kid. [Adjustable Angle]The solar panel angle can be adjusted to receive the sunlight most sufficiently. [Low Noise]Stable silent oxygen pump with less than 60 dB low noise and 0.8L/min air volume, suitable for many kinds of containers. [Widely Applicable]Suitable for a small to medium-sized pond, outdoor fish tank or water reservoir, etc. Specifications: Material: ABS PET Solar panel5V, 2W Pump Power: 0.3W Pump Rated Voltage: 3.5V Max Air Flow: 0.8L/min Max water depth: 1m Noise: less than 60dB Waterproof: IP65