[Solar Energy] By using solar energy, it is environmentally friendly and maintenance-free, and much safer for your children. [Low Noise] Quiet and stable oxygen pump with less than 60 dB noise and an air volume of 0.8 L/min, suitable for many types of containers. [Easy to Install] The solar aeration pump has a grounding plug, just insert it into the ground. [Versatile Use] Suitable for small and medium-sized ponds, outdoor aquariums, or water tanks, etc. [Adjustable Angle] The angle of the solar panel can be adjusted to receive sufficient sunlight. Product Description Simply place the solar panel in a sunny location and the solar oxygen pump will start automatically. The solar oxygen pump is particularly suitable for emergency oxygen supply in the event of a power failure, as well as for field fishing and the transportation of small aquatic products. Specifications: Material: ABS PET solar panel: 5 V, 2.5 W Pump power: 0.3 W Pump rated voltage: 3.5 V Maximum air flow: 0.8 L/min