Model A75LI Low Impedance Fencer charges up to 75 miles of clean fence and will shock through wet weeds. Controls all types of animals even predators. Features fuseless design weather-resistant vented non-conductive cabinet moisture-resistant internal components and a flashing lamp indicating operation. UL listed. Energy output is rated at 4 joules 115VAC 60 cycle 1 second pulsed output. Wt. 4 lbs.