Zareba B50LI Battery Operated Low Impedance 50 Mile Fence Charger 50 mile range; heavy, wet weed conditions For optimal performance use 12 volt deep-cycle battery (not included) Rugged, weather-resistant cabinets with digital timing and fuseless design Delivers safe, effective high voltage shocks to deter all types of animals, even predators Comes with a 1-yr warranty that includes damage caused by lightning