1,7 STAGE DIMENSIONAL WATER PUMP: Our water dispenser has 7 levels of adjustable water volume control, including 100ml, 200ml, 300ml, 500ml, 700ml, 1000ml, unlimited water volume. When the selected amount of water is reached, the dispenser will automatically shut off to prevent overflow and waste. 2,UNIVERSAL COMPATIBILITY: Our water dispenser can accommodate water cups up to 7.5 inches in height, meets most sizes of water cups, dual buttons with LED indicators for easy operation, smart control of the water volume can free your hands, plus low noise feature, convenient to use in home, office, outdoor activities, parties, picnics. 3,CONVENIENT AND DURABLE: The removable water dispenser has a built in locking mechanism that effectively prevents the pump from loosening and falling off during transportation. It is lightweight and can be used anywhere and anytime. It is also easy to clean and maintain. 4,EXTRA LONG BATTERY LIFE: The water dispenser has a built in 1800mAh energy saving design high capacity battery with USB Type C charging interface, which saves energy and extends battery life. It supports fast charging and can be used continuously after fully charged. 5,ANTI SLIP BASE: Anti slip four corner base design, desktop placement is more stable, to prevent the risk of falling, safety is more assured.