The pork industry's most widely used electric stunner. Waterproof 6 volt control button...patented wattage control avoids hemorrhaging...prod assembly weighs only 4 lbs (1.81 Kilos)...requires less electricity than a 50 watt lightbulb...meets all requirements for humane animal treatment... available in AC-110 volt single phase 60 cycle or AC-220 volt single phase 50 cycle.