Maybe it's the first time you've known about us- Keijo. It’s ok! We are committed to creating a healthy lifestyle for you, drinking water intelligently, enjoying your simple life, and let drinking water become a good habit for you every day.Keijo Water dispenser- Confidence to be your next gadget! Choose this electric water bottle pump, which make drinking water Easier, Cleaner and Better. Safety Food Grade Material BPA free, Food grade silicone hose, a high-quality water pumpIntegrated design & leak-proof design Refuses to water leakage.No water will stored inside to prevent bacterial infection. USB powered1200mAh Rechargeable Battery(Bulit-in), can be used to pump out around 8 bottles of 5 gal water jugs if fully charged.Moreover, it pumps fast and is quiet! High CompatibilityStandard size is 2.16 Inch (5.5cm) neck size, fits for 2- 5 gallon, compatibles with different capacity bottle: 5L, 7.5L, 11L, 18.9L. Easy to Use & TakeStylish looking, only the size of a palm, One switch operation, Easy to fit and use in any where you like. SPECIFICTION: Material: Casing of the Water Dispense: ABS plasticsHose: Food Grade BPA Free siliconeBattery: Rechargeable lithium Battery (Bulit-in) Capacity: 1200mAhPower: 3.8 WattsINSTALLATION STEP: 1. Take out the whole water pump and accessories from packing box. 2. Connect silicone tube with water pump3. Fix water dispenser on top of the barrel WARRANTY: From the date of purchase, the product enjoys within 3 months replacement for free.