Parmak MAG12-UO 12-Volt Magnum Low Impedance Battery Operated 30-Mile Range Electric Fence Charger; Weatherproof, Indoor&Outdoor; Ideal for livestock or predator control; 3-YR Warranty (MADE in USA) 12-volt magnum low impedance battery operated 30-mile range electric fence charger Parmak's exclusive built-in performance meter tells the exact condition of your fence; takes the guess work out of electric fencing Magnum 12 provides up to three months of continuous operation between battery charges Weatherproof, portable outdoor model for installation 1 year warranty Made in USA