Fountain Pro Battery Operated Submersible Fountain Pump Perfect pump for centerpiece table fountains. Adjustable water flow. Low profile battery pack with ON/OFF switch and removable 21" cord. Uses 4 AA batteries (not included). GPH - 32-79; Max Head - 1.3'-3.94'; Volts - 6-12; Watts - 0.5-2; Size - 1-5/8" x 1-1/2" x 1-5/8"; Outlet - 1/4" ID Tube Size