The PetSafe PIG00-10777 Stubborn Dog System In-Ground Radio Fence is a high-quality electronic fence designed specifically for stubborn dogs. This system, made by PetSafe, offers the convenience of an in-ground setup for added simplicity and reliability. With its model number PIG00-10777 and country of origin in China, this product is sure to provide effective and humane control for your furry companion's behavior.