Safe Material: The water dispenser is made of food grade silicone hose, 304 stainless steel, high density ABS, which is safe, non-toxic and durable. This water dispenser is small and ultra light to carry or store. Removable Silicone Hose: The inlet hose can be removed and replaced after a certain period of use to keep your drinking water healthy and hygienic. USB charging design: A battery is built into the unit. It can be easily charged via USB charging port. The water dispenser can work for almost a month on a full charge. Easy installation: It is very easy to use this water pump. Simply connect the inlet hose and the outlet hose and place them over the mouth of the water bucket. Water can easily be pumped out with one push. Wide compatibility: the water pump is compatible with drinking water in barrels of different capacities: 4.5 L, 5 L, 7.5 L, 10 L, 11.3 L, 15 L, 18.9 L. Product Color: black Specifications: Material: silicone, stainless steel, ABS Color: black, white Rated voltage: 4V Rated power: 5W Size: 8*14cm(D*H) Net weight: 290g Package includes: 1 * Water Dispenser, 1* inlet pipe, 1* outlet pipe, 1* Charging Cable, 1* User Manual, 1* packing box