Made from BPA-Free high density ABS plastic, food grade silicone hose, 304 stainless steel, no toxic and no smell. 2-in-1 Multi-purpose water dispenser, two buttons operation with 5 pre-set volumes of 300ml, 600ml, 1000ml, 1500ml and 1800ml. Bottom with tray, free your hands. Easy to install and removable. Built in rechargeable lithium ion battery, one full charge can use 8-10 barrels of water. Suitable for 4.5L/5L/7.5L/10L/11.3L/15L and 18.9L water bottles. Suitable for bedside, tabletop, office, and outdoor use.