Innotek Basic In-ground Pet Fencing System 18g Wire

You choose the configuration to not only keep your dog safely at home, but also clear of out-of-bounds areas such as gardens and pools. Your dog hears a tone as he approaches the border; feels a correction if he continues into it. Patented run-through prevention offers secure, reliable containment.

An easy-to-install, battery replaceable system is great for any sized dog.