Designed to seem after the aged and children, easy to install, drink water with one click Designed with secure material, no toxic and no smell,health and environmental protection Suitable for pure bottled ingesting water, a of items gallon barrel with 2 (5) neck Widely used: compatible for many buckets on the market. 2-5 gallons are compatible for various gallon water bottles with common jug cap. ( 1/40mm,1/48mm,2 / 55mm neck Diameter). For example: 4, 5L, 7, 10L, 11, 15L, 18 Ergonomic design: This product adopts ergonomic design and is terribly handy to use. Colour:black Material: ABS Package Contents: 1 x Water pump 1 x USB cable 1 x Hose Only the above equipment content, different item aren't included. Note: Light and assorted exhibits could cause the color of the thing within the photo just a little diversified from the real thing. The size allowed error is +/- 1-3cm.