[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