boundary wire around the perimeter of the designated area, while wireless systems rely on a central transmitter to create a circular boundary. Both types have their own advantages, and the choice largely depends on the specific needs of the pet owner and the layout of the property. While electric fences offer a practical solution for containment, they also require proper installation,... https://www.amazon.com/stores/ExtremeDogFence/Homepage/page/C5124D62-2991-4D1B-845C-C1AE331F45FD