Features: 1. The big blue button, turn on to display blue light, and charge to display red light. 2. Large-capacity battery, long-term battery life, 1200mA battery, durable. 3. USB easy charging. A variety of charging methods, suitable for car charging, AC adapter, fully charged can continuously pump 8 buckets of water. 4. Suitable for both large and small barrels. Applicable barrel type: barreled water barrel, threaded PC water barrel. Applicable capacity is 4.5L/5L/7.5L/10L/11.3L/15L/18.9L. 5. Stainless steel tube, food grade material, safety is guaranteed. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Control method: electronic blue button, one-key start Power: 4w Voltage: 5V Frequency: 60Hz Product size: 130*70*70mm Package List: 1 X Water Dispenser