This fence charger helps control animals even if your fence line has a lot of weeds. The Zareba 50 mile AC low impedance fence charger can be used to help control all types of animals, even predators. It powers all types of fences, including high tensile, poly wire and poly tape in heavy weed conditions. This AC-powered charger maintains maximum energy on the fence and delivers safe, effective high voltage shocks with digital timing. Features include fuse less design, moisture-resistant internal components, an indicator light that shows charger is working and a rugged, weather-resistant case. 2.8 stored joules of power; 2 joule output at 75 ohms; 115-volt, 60 cycle; pulsed output (1-second intervals). Output voltage no load is 12,400-volts. Uses 10 to 18-gauge wires.