Tanwater have been trying to do a good job of smart desktop water dispenser, I believe he will be your ideal choice 1.Compatibility: Our smart table water dispenser is suitable for 1~5 gallon water bottles, and a variety of different sizes of water cups. 2.Intelligence: Water pump for 5 gallon bottle has an intelligent level 7 quantitative pump, the left button is the switch and the pumping water button, and the right button has seven capacities with pilot light indication, adjustment [100 ml, 200 ml, 300 ml, 500 ml, 700 ml, 1000 ml]. 3.Portable Detachable Design: Water dispenser pump design is small and easy to carry, detachable design makes the water dispenser convenient to clean and maintain. 4.Long Battery Life: Gallon Water dispenser is made of sturdy ABS plastic and food-grade silicone hose. The built-in 1800mAh super capacity battery, Type-C charging, a full charge can last for a long time.