About this item: This 5-gallon water dispenser is made of high-quality BPA-free plastic, including a food-grade silicone hose and a 304 stainless steel water outlet pipe. Safety comes first, with all water accessories designed with food-grade materials, giving you peace of mind. This 5-gallon water dispenser is equipped with a 1200mAh rechargeable battery and a USB charging cable. Charging is simple and convenient. After a full charge, it can last for 30 to 40 days, or 4 to 5 5-gallon bottles of water without daily charging. The water pump has a built-in powerful 4W water pump that can pump 1.5 liters of water in 1 minute, 1.5 times faster than a standard water pump. Installation of the 5-gallon water bottle pump requires only four simple steps, and finally, attach the water bottle pump to the mouth of the bottle. When you want to drink water, just press the button on the top for clean, fresh water. To avoid water spillage, the water pump automatically stops after 60 seconds. If you need to maintain water flow, just press and hold the button for 3 seconds. Our water dispenser is compatible with various types of water bottles, including those with 2.16-inch screw caps or crown caps. This is a universal water pump dispenser, suitable for water bottles of various capacities, such as 1.5L, 5.7L, 10L, 11.3L, 15L, 18.9L, etc., making it more flexible and convenient to use.