Welcome to our store! Introducing our BPA-free drinking water dispenser, made from safe materials including food-grade silicone hose, 304 stainless steel, high-density ABS plastic. It is non-toxic and odorless, ensuring your drinking water is safe and pure. This water dispenser is highly compatible and suitable for electric pumping of bottled pure drinking water. It can be used with a variety of lever-free gallon barrel models and bottles of different capacities, such as 4.5L, 5L, 7.5L, 10L, 11.3L, 15L, and 18.9L. Please note that it is designed for gallon barrels with a 2-inch neck (5.5cm). Please confirm the neck size of your barrel before purchasing. The dispenser features a rechargeable USB battery with a capacity of 1200mAh. When fully charged, it can be used for 30-40 days or about 4-6 bottles of 5-gallon water. You don't need to charge it every day, providing convenience and ease of use. Using the dispenser is simple and hassle-free. Just place it in the bottle neck and it will work automatically. It is designed for ease of use, making it suitable for everyone, including children and the elderly. This lightweight and easy-to-use pumping device is perfect for home, kitchen, and office use. It provides a convenient solution for accessing drinking water from clean bottles without straining the lid. 100% satisfied: Our customers are our top priority. If you find any product issues after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We do our best to provide you with satisfactory after-sales service. Thank you for choosing our product. Happy shopping!