Features: 1. Organic Energy: Solar oxygen pumps, which do not require additional batteries or plugs, are very easy to use and save energy. 2. Adjustable Angle: The angle of the solar panel can be adjusted to get enough solar energy. Solar panels can be attached to the floor or mounted on the wall. 3. 3 Working Modes: Strong, medium and weak. Fully meet every occasion and need. You can adjust the working mode according to different usage scenarios. 4. Multi Purpose: Widely used in various fish tanks, swimming pools, ponds, aquariums to increase fresh air, to meet your different use needs. 5. Note: The Package comes with 1 long air pipe instead of 2 or 3 short air pipes. Cut it into 3 pieces as needed and connect with the Y connector. Specification: Item Type: Solar Air Pump Weight: 1230g/43.4oz Material: ABS and polysilicon Use: solar oxygen pump Battery Type: Lithium battery (shipped with built in battery) Battery Model: 18650 Battery Capacity: 2400mAh Solar Voltage: 10v Output Power: 8w Package List: 1 x Solar Oxygen Pump 1 x Hose 2 x Accessories 4 x Screw 4 x Expansion Tube 2 x Bubble Stone 1 x Instructions 6 Small Pieces x Bracket Features Solar Powered: Enjoy the benefits of a solar powered oxygen pump, eliminating the need for extra batteries or plugs. Environmentally friendly and cost-effective. Adjustable Solar Panel: The solar panel's angle can be easily adjusted to maximize solar energy absorption, ensuring optimal performance. Easy Installation: The solar panel can be conveniently placed in the ground or mounted on a wall, providing flexibility in setup options. 3 Working Modes: Choose from strong, medium, or weak airflow settings, catering to various oxygenation needs and different environmental conditions. Multi-Purpose Usage: Widely applicable for adding air to fish tanks, pools, ponds, and aquariums, offering versatility for different aquatic environments.