Fence energizer featuring up to 2 miles of coverage area - or up to 10 acres. Long lasting with a tough, attractive outer casing and built-in lightning diverter. Includes the latest technology with a simple plug and play installation. Features simple fence terminals and hassle free mounting. Check power at a glance with convenient power on indicator, ideal for small pastures and gardens. UL (Underwriter's Laboratories) listed. 2 year warranty.