Safe and Healthy: Our water bottle dispenser is BPA-free and made with high-quality materials. We use food-grade silicone rubber tubes, 304 stainless steel, and high-density ABS plastic to ensure that your water remains free from plastic taste. It's non-toxic, odorless, and poses no harm to your health. Universal Fit: This electric water bottle pump is designed to fit 2-5-gallon kegs with a 2.2'' neck. It's compatible with various gallon keg models that don't have a lid lever, ensuring versatility in use. USB Rechargeable: The dispenser features a built-in rechargeable battery that provides 30-40 days of use or around 4-5 5-gallon water bottles once fully charged. You can use it anywhere you need it, making your life much more convenient. Say goodbye to constant battery replacements. Easy to Use: Using the dispenser is a breeze. Simply press the button on the top to turn it on, and press it again to turn it off. It also has an automatic shut-off feature after one minute to ensure safety and save power. This hassle-free operation makes it suitable for users of all ages, including the elderly and children.