Fi-Shock SS-725CS AC Powered Light-Duty Electric Fence Charger, 5-Acre Range High power, low cost electric powered fence energizer used to break pets' bad habits and keeps unwanted predators out of your property Continuous AC current output Plugs into a standard 110-120 V outlet Range up to 5 acres under ideal conditions Input voltage: 3 VDC, 13 mA. Output Voltage: 800 V +/- 20-Percent