BPowerful Electric Battery-Operated Pump Dispenser Bottled Drinking Water 5 Gal w Press Switch ReviewbP PP Powerful Electric Battery-Operated Pump Dispenser Bottled Drinking Water 5 Gal w Press Switch PPower: 2X"D" Size dry cell batteriesPMaterial: ABS, P.E, Nylon, P.C, SUS 316 food-gradePItem: D-V Bio Battery Pump Model No.: 29799 (DC)PFlow Rate: 0.9-1.0 gallonmin (3.51-4 litermin) COLDHOT Temp.