DetailsProduct Specifications - Material - ABS; 304 Stainless Steel and SiliconeOperating Voltage - DC 5VPower Rating - 4WCharging Time - 3-4 HoursCharging - Micro USB Charging CableSuitable for - 2; 3; 4; 5 Gallon Water BottlesSize - 2.9x5.1 inchHose Length - 21.7inchSafe and Healthy - BPA free drinking water bottle dispenser; food grade silicone rubber tubing; 304 stainless steel; high density ABS plastic; no toxic and no smell; no harm to your health.Flexible Application - Convenience for indoor and outdoor; can be used for the office; home; Kitchen; camping; picnic; activities; etc.Design - Stylish looking; Portable; easy to use.Detachable Silicone Rubber Tubing - You can disassemble all of the parts for cleaning after a long time use.Note - Please replace the silicone rubber tubing regularly. The food grade silicone rubber tubing will cause hygiene issue if you don't replace for a long time.USB Rechargeable - Built in rechargeable battery allows you to use for 30-40 days or around 4-5 bottles of 5 gallon water once full charged.Compatible - Suitable for gallon barrels with a 2.16-inch (5.5cm) neck; it suitable for a variety of models gallon barrel without pry the lid.Easy to Use - Simply fasten the small pump on the bottle mouth. Just one switch operation; totally hassle free. Press once switch; pump 0.16 gallons of water and stop automatically. Press and hold for 3 seconds to switch the water pump to pump water all the time.Pipe Length - 4.7inchPackage Included - 1 x Water Pump1 x Food Grade Silicone Hose1 x Stainless Steel Pipe1 x Micro USB Charging Cable1 x English Manual