The 25 Mile Battery Operated Low Impedance Fencer can be used with all types of animals. It powers all types of electric fence systems – high tensile polywire and polytape. Being battery powered makes fencer ideal for remote locations or areas without access to AC power. Charger also works well in heavy weed conditions with a 12-volt battery not included. Case is weather-resistant and internal components are moisture-resistant. UL-listed fencer has an indicator light showing if fence is working. Wt. 3.25 lbs.