Designed to look after the aged and children, smooth to install, drink water with one click Designed with safe material, no toxic and no smell,health and environmental defense Suitable for pure bottled consuming water, a of models gallon barrel with 2 (5) neck Widely used: correct for many buckets at the market. 2-5 gallons are appropriate for various gallon water bottles with traditional 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 awfully 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, diverse merchandise shouldn't included. Note: Light and assorted reveals can cause the colour of the thing within the photograph somewhat various from the real thing. The measurement allowed error is +/- 1-3cm.