Description: This is a high quality aquarium oxygen fish air pump. Made of high quality ABS material, it is sturdy and durable. Powerful, high performance pumps meet most requirements for aquarium air and are built to ensure years of reliable, trouble-free use. Rubber stabiliser feet and technologically advanced design ensure smooth, quiet operation. Perfect air pump for water movement and oxygen in the aquarium to improve the health of the water and give your fish a pleasant environment. Functions: Made of high quality ABS material, sturdy and durable. Elegant colour and stylish design. Powered by solar energy, no battery or electricity needed, energy-saving and environmentally friendly. 100 degree foldable solar panel, easy to adjust to absorb the best angle to absorb solar energy. Built-in 2200 mAh battery with high capacity, it can work for a long time for up to 20 hours once it is fully charged. Meanwhile, this air pump can be charged by DC with USB cable. Internal circuit adopts imported intelligent control of the single chip microcomputer, supports constant pressure and constant current charging, overcharge discharge protection and low electrical alarm, safe to use. Technologically advanced design provides smooth, quiet operation. Perfect air pump for water movement and oxygen in the aquarium to improve the health of the water and give your fish a pleasant environment and improve the overall health of the aquarium. Specifications: Condition: Brand New Type: DC Air Pump Material: ABS Colour: white Battery: 3.7V 2 Charging method: it can be powered by solar energy or charged via a DC power supply with built-in input port. Built-in battery, can store power, support night work. High oxygen content: high air volume up to 0.9L/min, with a 100 degree foldable solar panel design, simply adjust the best angle to absorb solar energy. Use Safety: Imported intelligent single chip control, support constant voltage and constant current charging, overcharge and discharge protection, low battery alarm. Energy-saving: solar powered, no electricity, only sunlight, energy-saving and environmentally friendly products. The 100 degree foldable solar panel can easily adjust the best angle to absorb solar energy.