General description Solar Water Pump Oxygen Aerator Fountain is an economical and environmentally friendly solution for outdoor aquariums, ponds, or fishing. This solar-powered oxygen pump operates without the need for batteries or plugs, making it a convenient choice for enhancing oxygen levels in water bodies. Technical specifications Noise level: 50dB Battery: 3.7V 1800mAh 18650 lithium battery Compatibility and accessories Includes 2 soft hoses Includes 2 air stones Includes a connector for dual airflow Usage Designed for use in outdoor aquariums, ponds, and fishing environments, this oxygen pump can also operate at night thanks to its built-in battery that stores solar energy.