DogWatch has been providing and servicing Hidden Fence (underground fence) Systems from Bedford NH to Plymouth since 1990. Customers are NH rely on a hidden fence for a more effective, more versatile and less expensive than a traditional dog fence. We offer the safest, most reliable pet fence system in the business. We offer sales, repair and installation of underground, invisible dog fences. Our online store is a convenient way to purchase replacement collars and batteries for your systems. Call or visit our website for more information.