SAFE AND HEALTHY - This is a BPA free drinking water bottle dispenser. We use food grade silicone rubber tubes, 304 stainless steel, and high-density ABS plastic that ensure your water does not taste like plastic, and our dispenser is non-toxic, odorless, no harm to your health. 【Universal Fit】: The electric water bottle pump is suitable for 2-5 gallon kegs with a 2.2 '' neck, it is suitable for a variety of gallon keg models without a lid lever. USB Rechargeable: Built-in rechargeable battery that can be used for 30-40 days or around 4-5 5 gallon water bottles once fully charged. It can work anywhere you want. This long lasting battery will make your life so much easier. Easy to use: just press the button on the top of the dispenser. Press once to turn it on and once to turn it off. Once powered on, it will automatically stop working after one minute for protection. Hassle-free operation for everyone, including the elderly and children. 【100% Satisfaction Guarantee】 Lifetime Warranty for our 5 gallon water dispenser. If you have any problem with our dispenser, please contact us, we will solve your problem until you are satisfied with it.