Zareba EAC25MZ 25 Miles AC Low Impedance Electric Fence Charger; Powers up To 25 Miles of Fence; Low-Impedence Design Maintains Maximum Energy on Fence; Works in Heavy Weed Condition; Made in the USA AC-powered charger for all types of electric fences, including high tensile, polywire, and polytape 25-mile range; delivers safe, effective, high-voltage shocks with digital timing; UL listed Handles heavily weeded conditions; low-impedance design maintains maximum energy on the fence Fence OK indicator light; clearly labeled, color-coded terminals for easy set-up 2-year warranty includes damage caused by lightning