Great reviews! Buy with confidence! Automatic Water Dispenser Electric Water Pump Button Control USB Charge Portable for Kitchen Office Outdoor Drink Dispenser 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. Makes Life Easier and Better! Why Choose Our Water Bottle Pump ? 1. Safe Material: BPA free, Food grade silicone hose, 304 stainless steel, high density ABS plastic shell. 2. USB powered: Rechargeable battery, can be used to pump out 4-6 water jugs if fully charged. 3. Fits All Standard Size Bottle: Standard size is 2.16 Inch (5.5cm) neck size, fits for 2, 3, 4, 5 gallon and other standard size water bottle. 4. Extensive use: Portable device for both indoor and outdoor use like office, home, Kitchen, camping, picnic, activities, etc 5. Improve the quality of life and make you more comfortable! There is no need to worry about the slow water output and the troublesome manual pouring! 6. The purpose of service-oriented, so that you have no worries! Installation Suggestion: 1. If your bottle is the standard gallon barrel, please don't remove the bottle cap when you install the water dispenser 2. If your bottle is the ordinary barrel, please open a hole on the bottle cap, then install the water dispenser in the hole Thanks very much! Product Details: Electric Water Pump Automatic Water Press with Base Wireless Water Suction Device Household Auto Switch Drinking Dispenser Barreled Water Press Mineral Upper Bucket Water Suction Device USB Charging Material: ABS+PP Color: black Size: Host: 14*7cm, water pipe length: 55cm Input voltage and current: 5V/1A Rated power: 4W Charging time: 3 hours Battery capacity: 1200mA Use time: 8-10 buckets of water can be pumped 25° electroplating water outlet, integrated design, preventing water leakage and avoiding bacterial contamination.