2.0 Joule AC/DC Energizer

Powerful 2.7 joules of stored energy with optional AC or DC power supply. Powers up to 120 acres of multi-strand wire. 12-volt option can be used as the primary power source or as a backup during power outages. 8,900 volts open line. 5,000 volts @ 500 ohms. AC adapter and battery connector leads included Large easy to see pulsing power indicator Pulse indicator changes from green to red  indicating low battery power Tough ABS  case with easy grip terminal knobs