Materials; Our water dispenser pump has BPA free which is made of food grade silicone hose, high density ABS plastic Casing and 304 stainless steel pipe and also has USB Charging port. Automatic Shutoff Function for Saving Water, This water bottle pump 5 gallon was made under the supervision of Highly Professionals with Modern Machines to make sure it's accuracy and working. ;Li-Battery Rechargeable; This rechargeable water pump is built with 1200 mah battery which is enough for 2-6 Bottles. With it's LI-Battery it provides continuous power to pump from gallon if you charge it Full. TO BE NOTED: To use this electric water dispenser make sure to charge it for at least 3 Hours to bring out it's full potential. ;Easy Usage for KidsSuitable for 5.5 CM Neck for Gallon Barrels Bottles and our electric water pump only has one button to operate! One press to switch it on and another to off, simply fasten the small pump on the bottle mouth. totally hassle free even for kids and elders. compare to manual water bottle dispenser it is so easy to use! Note: Not Suitable for Screw top Bottle or Bottle without Jug cap. ;Portable Design and High Compatibility This portable gallon pump dispenser suitable for pure bottled drinking water and has 60 Seconds automatic Shutoff system to save water, This 5 gallon jug pump has Perfect Design for home, office, school. gallon jug pump dispenser is portable so that you can even use it at picnic or camping. NOTE: 1x Electric Water Gallon Dispenser; 2x Water Hose;1x USB Charger Cable