The Underground Dog Fence Containment System provides a complete in-ground boundary solution designed to help keep your dog safely within your yard using a customizable setup. The system includes five hundred feet of wire to cover up to one third of an acre, with adjustable transmitter and receiver settings that allow you to tailor field width, stimulation level, and dog size for effective training. A tone-only mode supports highly sensitive dogs, while automatic run-through and over-stimulation prevention help reduce stress and encourage quick learning. The waterproof receiver collar offers dependable performance outdoors, and the kit comes with boundary flags, multiple contact points, and essential installation tools, making it a practical do-it-yourself containment option for a wide range of pets.