Product Details Water Pump for 5 Gallon Bottles, Electric Water Bottle Pump with Switch and USB Charging, Portable Universal Water Bottle Dispenser for Camping, Traveling, Home Office Brand Unspecified Material ABS Color White Net Weight 0.63kg Includes 1Water Pump 1Power Cord 1Water Pipe Main Features Food Grade Material: The electric water pump dispenser is made of 304 stainless steel (for metal parts), water pipe, and high-density ABS plastic. BPA-free, ensuring the safety and health of users when drinking water. Universal Fit for 2, 3, 4, 5 Gallon Water Bottles: This universal drinking water pump is designed to fit almost 2.16-inch (5.5 cm) bottlenecks. If the bottle is loose, adding a cap can help it fit tightly. Rechargeable: Long life, it can be used for about 4-6 bottles of 5-gallon water after fully charged. Usually, it only needs to be charged 1-2 times a month. Please note that it is recommended to use a 5V 1A charger for protection and avoid using fast chargers.