Zareba EAC50M-Z AC-Powered Low-Impedence 50-Mile-Range Electric Fence Charger AC-powered charger for all types of electric fences, including high tensile, polywire, and polytape 50-mile range; delivers safe, effective, high-voltage shocks to deter animals 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 Measures approximately 4-4/5 by 9-2/5 by 11-4/5 inches; 3-year limited warranty