General description The 20W Aquarium Air Pump Solar Power Oxygenator is designed to provide efficient oxygenation for fish tanks, aquariums, and small ponds. It features a compact size, low noise operation, and a high air volume output, making it ideal for various ornamental fish and emergency situations such as power outages. Technical specifications Maximum power: 20W Working current: 2A Working voltage: 5V System voltage: 5V Short circuit current: 2A Size: 215 x 175mm Material: Monocrystalline silicon Other information Adopts advanced SCM intelligent control Features constant voltage/charging current, overload and over-discharge protection, and low battery alarm Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product The measurement allowed error is +/- 1-3cm