Feature: Food grade water pump, BPA free, no toxic, no smell, with a USB rechargeable battery - fits for 2,3,4,5 Gallon water bottle and other standard size bottles. It has a built-in 1800mAh rechargeable Li-Ion battery. Once fully charged, it can pump 4-5 barrels of water.  [Smart Design Flexible Application]: Stylish look, easy to carry, solid hard to use, easy use provide convenience for taking out, best choice for the office, home, Kitchen, camping, picnic, activities, etc.  [USB powered]: Built-in 1800mAh rechargeable lithium-ion battery, can be used to pump out 4-5 water jugs if fully charged.  [Fits All Standard Size Bottle]: Standard size is 2.16 Inch (5.5cm) neck size, fits for 2, 3, 5 and other standard size water bottle. No Installation, no remodeling, no need to drill holes and no need to erect stands.     Specification: Color: Purple/Grey/White(Please tell us what color do you like, if not we will Random delivery).  Material: PP+304 Stainless Steel and Silicone.  Operating Voltage: DC5V.  Power Rating: 4W.  Charging Time: 3-4 Hours.  Charging: Micro USB Charging Cable.  Suitable For: 2, 3, 4, 5Gallon Water Bottles.  Stainless Steel Pipe Length: 3.7inch.     Package: 1 * Bottle Water Pump Kit