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.Upgrade USB Rechargeable Battery:The newly upgraded internal chip is safer and faster charging. Water Pump builts in rechargeable 1200mAh battery. Easy to recharge it with the included USB cable, extremely practical, it can be used for 30-40 days or around 4-5 bottles of 5-gallon water once fully charged. No need to charge every day.Easy to Use: Simply fasten the small pump on the bottle mouth. One switch operation, totally hassle free even for kids and elders. Good Partner for Camping, Kitchen, Workshop, Garage, etc.Multiple Uses:The drinking water pump is easy to be installed and carried. It is ideal for offices, outdoor, public places, hotels, picnics or camping activities and anywhere. Youll always have fresh water at your disposal both indoors and outdoors if you use an electric water dispenser.