Features: Specially designed new electric water pump, used for 5 liter-5 gallon drinking water bottle. On/ Off button on the head of the pump,Easily operated On-Of switch Economical. 2"D" size batteries will last for 8 to 10 months (based on 5 gallons per week usage). Able to discharge about 260 gallons (1.000liters) when used continuously Usable with many lemonades types of containers. The bottles neck connect part can be changeable according to the different bottle neck size. And this part can be slides according to the height of bottle. Soft Touch Button. Children, seniors and adults can easily use the pump. Easily installed and used at home, restaurants, office, hospitals, parties, great for the cabin, camping, school, etc. Aplicable in liquids with low viscisity, such as sport drinks, alcoholic drink, etc. in additon to water. Adjustable the bottle cap according to the depth of container Fits most standard bottled water size. Easy to operate,Simple to assemble,No drips or leakage Specifications: Item: D-V Bio Battery Pump Model No.: 29799 (DC) Power: 2X"D" Size dry cell batteries Flow Rate: 0.9-1.0 gallon/min (3.51-4 liter/min) Material: ABS, P.E, Nylon, P.C, SUS 316 food-grade COLD/HOT Temp. : 32 ?F (0 ?C) / 140 ?F (60 ?C) Dimension: 72x7x7cm Package Included: 1 X Drinking Water Pump