The economical Matador fence energizer operates two FAST FENCE Nets with some vegetation or four Nets with no weeds and grass touching the “hot” wires. It is operated by a 12 volt external battery which may be recharged many times and which will last from 2 to 12 weeks between recharges depending on the type of battery used. Comes with integrated battery leads and fence and ground rod leads all with alligator clamps. The Matador can be mounted on a post or wall with fasteners through holes on the top and bottom of the unit. One year warranty.