Features: -Can be used with bottles of different capacities, including 4.5L, 5L, 7.5L, 10L, 11.3L, 15L, and 18.11L. Perfect for 2-gallon, 3-gallon, 4-gallon, 5-gallon bottled water, etc.-The food grade hose is used to ensure that it does not contain any harmful substances, has no odor, and will not change the taste of the water.-Built-in 1200mAh lithium battery, it only takes 2.5-3 hours to charge and can pump up to 6 5-gallon bottles of water.-It adopts a one-button automatic interruption water pumping design, which is easy to operate. A short press can pump out 230ml of water in just 10 seconds, while a long press for 3 seconds can pump out 1000ml of water in 60 seconds.-Perfect for home, office, picnics, sporting events, beach, camping, BBQ and more.