This 4 joule, multi purpose fence energizer can be used as a plug-in Energizer, or used with a 12v battery and/or solar panel.<br /><br />Powers up to 60 miles / 80 acres of clean fence and offers uncompromising performance. Features low impedance that will shock through weeds and brush.<br /><br />Clean Fence: 60 miles / 280 acres<br /><br />Typical Fence: 20 miles / 120 acres<br /><br />Stored Energy: 4 J Stored Joules<br /><br />Flexibility in fence management designed for 110v (plug-in), battery or solar installations<br /><br />Gain peace of mind that fence is working properly LED bar graph indicates fence voltage performance<br /><br />Check battery at a glance flashing red light shows when battery is running low<br /><br />Portable, water resistant case, with built in lightning protection<br /><br />Easy set up for both portable and permanent use in any location<br /><br />Leadsets are included<br /><br />Battery not included