【Efficient Solar Charging】5W solar panel with 21.5% conversion rate provides reliable power for the oxygenator pump, perfect for outdoor fishing. 【Portable Design】Flat and compact 205x140mm solar panel design makes it easy to carry and set up anywhere with ample sunlight. 【Direct USB Output】No built-in battery; power is directly output through the USB interface, ensuring immediate use for electronic devices. 【Durable Construction】Made from high-quality, eco-friendly, waterproof, and durable materials for long-lasting performance in outdoor environments. 【Complete Oxygenator Kit】Includes a 2W oxygenator pump, 1m USB power cable, two 1m oxygen tubes, and two air stones for effective fish tank aeration. 【Versatile Use】Ideal for outdoor activities, emergency situations, and field work, providing a reliable power source for the oxygenator pump. Specifications: Solar Panel Power: 5W Working Voltage: 5V Working Current: 0-100mA Solar Panel Dimensions: 205 x 140mm USB Cable Length: 50cm Solar Cell Type: Monocrystalline silicon Conversion Rate: Approximately 21.5% Panel Construction: EVA laminated Oxygenator Pump Power: 2W Oxygenator USB Cable Length: 1m Oxygen Tube Length: 1m (2 tubes included) Air Stones: 2 pieces Oxygenator Dimensions: 75 x 55 x 35mm Output Interface: USB