Style ：Push-button type Pump Type ：Double pump Voltage ：5V Water Dispenser Type ：Single-cold Material ：ABS Interface Type ：Does not apply Applicable Capacity ：4L / 5L / 7.5L / 10L / 11.3L / 15L / 18.9L Applicable Barrel Type：Barreled Bucket, Screw mouth PC bucket Color:Black,White(Optional) Rated Wattage:5W Rated Frequency:50Hz Battery Capacity:1200mA Features: - One key operation, watertight and easy to use. - Having a disassembled 304 stainless steel tube,is easy to be cleaned,health and safety. - Tube plug/hose, we only use the same material as the baby nipple silicone. - Cool Blue-light LED design, great sense of science and technology. - The red light will be on when charging, it full,the lights is off. - Low dB design gives you a quiet water intake environment. - USB charging ,It's as simple as charging a cell phone