Water Dispenser Wireless Portable Desktop Electric Water Bottle Pump USB Charging Automatic Gallon Drinking Water Pump【Smart 7 Levels Quantitative Pumping】Electric water dispenser has 2 buttons, press the switch button to keep pumping water, after which press it back to forestall pumping water. Press the potential button to select the amount of water, then pump water mechanically and you will click the change button to prevent pumping at any time. 【Portable Detachable Design】The water dispenser integrated 1800 mAh USB rechargeable battery for instant charging and long life. Bottom with tray,it&;s easy to install and detachable for outdoor/indoor use. NOTE: Please position the water bottle lower than the dispenser (Keep the water pumping hose inserted in the course of the water bottle from height to bottom.) 【Safety Material】The Water Bottle Pump housing is product of durable and ABS plastic, the water outlet is fabricated from 304 stainless steel, with meals grade silicone tender water hose. Low noise pumping Specification:Style: desktopPower: 5WVoltage: 5VBattery capacity: 1800mAhShell material: ABSCharging mode: Type-cPower delivery mode: built-in battery (charging)Water temperature: ColdWater Dispenser: Gallon PumpSize(inches):4*5*8 Packing list:Pumps x1Pumping pipe x1Charging line x1Color area x1Instructions x1