Zareba Red Snap'r LI30C AC Powered Low Impedance 30 Mile Fence Charger Helps control all types of animals, including all livestock, short haired animals, small animals as well as keeping predators out Powers long, heavily-weeded fences and can be used with all types of fences, including high tensile, polywire and polytape DC-powered charger won't ground out on wet grasses, heavy weeds or thick brush and maintains maximum energy on the fence, delivering safe and effective high voltage shocks Features a lightning guard for built-in protection, as well as an indicator light that shows charger is working, easy hook-up terminals and a rugged, weather resistant case Comes with a 2-yr warranty that includes damage caused by lightning