The FARMPRO FP24000XR is a 110V plug-in energizer and is one of the most powerful energizers manufactured in the U.S.A. This new energizer features a Fence Voltage Indicator that displays the voltage being distributed to the fence. The Fence Voltage Indicator is color-coded and labeled to make it easy to determine the voltage and condition of the fence. With its 24 joule output and Ultra low impedance technology, the FP24000XR powers up to 2,400 acres and 400 miles of wire. This electric fence charger is also remote control compatible with the purchase of a FARMPRO FFR-2 Fault Finder