6.0 output joules 110-volt, AC-powered Powers up to 100 miles or 300 acres of fence Low-impedance The PMX600 110-Volt AC Fence Energizer is suitable for large farms with a large number of livestock. It provides powerful protection, even with heavy weed pressure. With 6.0 output joules, it powers up to 100 miles or 300 acres of fence. It is suitable for cattle, horses, deer, pigs, sheep, goats, and other small pets or nuisance animals. This low-impedance energizer has a highly visible, flashing red light that indicates the energizer is working and powering the fence. Designed for low maintenance and easy operation. The PMX600 easily mounts to the wall, a wood post, or a t-post. Works with steel wire, aluminum wire, and poli-products.