Safe Material: BPA free drinking water dispenser, food grade silicone hose, 304 stainless steel, high density ABS plastic, no toxic, and no smell.

High Compatibility: The electric pumping device suitable for pure bottled drinking water, suitable for a variety of models gallon barrel without pry the lid. Compatible with different capacity bottle: 4.5L, 5L, 7.5L, 10L, 11.3L, 15L, 18.9L. Note: This drinking water pump is suitable for gallon barrels with a 2.16-inch (5.5cm) neck. Please confirm the size of your neck before purchasing.

USB rechargeable water dispenser: Built in rechargeable 1200mAh battery. Can used for 30-40 days or around 4-6 bottles of 5 gallon water once full charged. No need to charge every day.
Easy to Use: Simply fasten the drinking water pump on the bottle mouth. One automatic switch operation, convenient and fast, totally hassle free even for kids and elders.

Lightweight and easy operation: Best choice for the office, home, kitchen, school, etc., the removable water dispenser is suitable for outdoor / indoor use.