Smart Gravity Sensing Water Dispenser: The smart gravity sensing design frees your hands from busy work. Just put the cup on the base. The water dispenser will automatically pump water. Take the cup back and it will stop pumping water. If your cup is too light, press the cup to activate the gravity sensorUse on desktop and 5-gallon bottle: Just put the electric water dispenser on the desktop and put the silicone hose into the bottle to use the water dispenser directly. Or put the lid on the mouth of the bottled water and insert the water dispenser into the lid to fix it on the bucketTouch Sensing Switch: Double-click the sensing key on the top of the machine to continuously dispense water, and click the sensing key once to stop pumping water. This electric water dispenser is very simple in design and easy to operateNo assembly required: The water bottle dispenser is fully assembled. It can be used right out of the package. Just clean the silicone hose before use. Built-in rechargeable battery can be used for 30-40 days or about 4-5 buckets of 5-gallon bottled water after fully chargedSafe and Healthy: Our BPA-free water dispenser pump is made of food-grade silicone rubber tube and high-density ABS plastic, which is non-toxic, odorless and harmless to your health