Electric Rechargeable Automatic Jar Water Pump With Light IndicatorUSB Charging: electric drinking water pump, USB charging, can be powered by power adapter, computer or mobile power pack.Gallon Bottle Drinking Water Pump: fits for 18L bottle gallon water storage containers.Simple Installation, Easy to Use: just press the switch and water will automatically flow out.The Color Lights Indicate the Battery Voltage: green for high and red for low.Reliable Quality: food grade silicone hose and rust-proof stainless steel pipe.Rechargeable Battery: built in a rechargeable lithium battery, for pumping 3 bottles of water after full charged.Labor-saving Water Pump: small automatic drinking water pump, much labor-saving and easy to use than manual water dispenser.? SAFETY:Food grade silicone hose. BPA free ,no toxic ,no smell, cold resistant, high temperature resistance. Using the best insulation / high density ABS plastic shell? EASY to USE: Easy to install and use it.One key switch operation? USEFUL: Fits most water bottles and for 5 gallon water bottle? EASY to CHARGE: Charging by USB cable, 2-3 hours is enough? Built-in rechargeable battery, can used for 20 days once fully charged