Description: Solar panel power: 6V/1.5W Battery capacity: 3.7V 3600 mA Gear: High grade. Mid-range. Low-grade working current: 150 -10MA (high-grade); 75-10MA (low-grade) Working time: 18H Charging method: USB charging (5V1A) Solar charging inner box size: 153*143*82CM Product gross weight: 0.63KG Specifications: 1. Solar powered, no electricity required, just sunlight, energy saving and environmental protection2. Easy to use: Connect the pipe to the air stone and put it into the water. The aeration pump can work when it floats in the water. 3. Low noise: Stable and quiet oxygen pump, the volume is less than 60 decibels, the air output is 0.8L/MIN, and the maximum water depth is 1 meter. 4. With battery: Built-in 6V, 1.5W solar panel, direct drive (works with the sun) Packing list: 1 * Solar panel 1 * DC charging cable 1 * Straight head 1 * Tee head 2 * Bubble stone 1 * 30CM hose 2 *1 m water pipe 1 * instruction manual