Ideal for oxygen equipment, this pump is suitable for power failure emergencies, outdoor fishing, and small water transport applications. It works well in gardens, landscapes, yards, or during fishing trips. Excellent performance: The aquarium air pump delivers an airflow of up to 2L/min with a pressure of 0.15MPa, helping to quickly replenish oxygen levels in ponds. The noise level is under 45dB, ensuring quiet operation. Solar powered with electric charging capability: Equipped with a built-in 3600mAh large capacity battery, it can operate for up to 14 hours when fully charged. It supports USB cable charging and can be charged via DC power. Improves water quality: The air pump includes a reliable air filter that enhances water movement and oxygenation, promoting a healthier environment for fish and improving overall aquarium or pond health. High-quality materials: Constructed from durable ABS material, the solar oxygen pump is sturdy, scratch-resistant, and built to last. The outlet pump meets most standard aquarium aeration requirements, providing reliable and consistent performance.