After more than 8 years of research and development and numerous patents, Havahart® Wireless and its partners successfully develops the latest generation in wireless dog fence technology with an instant circular dog fence that expands up to a 400 foot radius and the world's first wireless dog fence that shapes to any yard. Both systems are designed to address the consumer's need for a reliable, user-friendly, economical fencing solution capable of providing an extended dog roaming area not found in the industry today.