Effective 12V electric fencer for portable use. With operation control and full discharge protection. Indicator light to control fence and battery condition. Portable and easy to use. Also for 230V mains operation by power adaptor (not included). Suitable for all-round farm use, strip grazing and paddocks. Will energise up to 10km of well insulated single line fencing (depending on load conditions). Three years guarantee. Maximum voltage: 10000 volts. Voltage @ 500 ohms: 4200V. Input (load) energy: 1.1 joule. Output energy: 0.8 joule.