Modern versions of the Extreme Dog Fence often include adjustable correction levels, long-lasting batteries, and signal stability technology. These features allow pet owners to tailor the system to their dog’s size, temperament, and training needs, ensuring effective and humane containment. https://www.amazon.com/stores/ExtremeDogFence/Homepage/page/C5124D62-2991-4D1B-845C-C1AE331F45FD