Safe Material: free drinking water dispenser, high density ABS, no , and no smell. High Compatibility: The electric pumping device suitable for pure bottled drinking water, suitable for a of models gallon barrel without pry the lid. USB Rechargeable Battery: Built in rechargeable 1200mAh battery. Can used for 30-40 days or around 4-6 bottles of 5 gallon water once full . No need to charge every day. Easy to Use: Simply fasten the small pump on the bottle mouth. One switch operation, totally hassle free even for kids and elders. Note: This drinking water pump is suitable for gallon barrels with a 2.16-inch (5.5cm) neck. Operating Voltage: DC 4.2V Power Rating: 5W Charging Time: 3-4 Hours Charging: Micro-USB Charging Cable Suitable for: 2,3,4,5 Gallon Water Bottles Instructions: Connect the hose and insert the hose to the bottle. Then fasten the water pump Press the button to pump out the water Press the button again to stop pumping Charge with the Micro-USB cable when out of battery Material:ABS colour:White Package Contents: 1 * host 1 * outlet pipe 1 * water inlet pipe 1 * usb charging cable 1 * English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.