Electric water pumping, USB charging, built-in rechargeable battery, sufficient power, anytime, anywhere, use at ; small size, easy to carry. Charge for 2 hours, one charge can use about 5 buckets of water. Scope of application: automatic extraction of mineral water, beverages, etc. for children, the elderly, pregnant women, etc. Applicable occasions: high-end places such as homes, hospitals, , restaurants, hotels, schools, offices, etc.