The Gallagher M120 Fence Charger (G330434) is designed to power up to 15 miles or 60 acres of clean fence. This energizer is equipped with 1.2 stored joules, built-in lightning protection, and can shock through wet, heavy vegetation and tough fence conditions, making it ideal for small pastures. With a robust and reliable design, the M120 is made to last with a tough outer casing and built-in lightning diverter. Installation is easy with simple fence terminals and hassle-free mounting. You can even check the power at a glance with the power on indicator. With a 3-year warranty and UL approval, you can trust in the reliability and performance of the Gallagher M120 Fence Charger.