KC K9 Pet Fence is an electric dog fence (or wireless dog fence)
specifically designed to keep your pet safe and secure, and should not be
confused with Invisible Fence (®) (InvisibleFence ®), Dog Watch (DogWatch
®), Dog Guard (®) (DogGuard ®), Four Paws Fence or Pet DeFense. Invisible Fence (®), and Invisible
Fencing (®) are registered trademarks of Invisible Fence Company, DOG GUARD® Out-Of-Sight Fencing® is a trademark of Sunward Electronics®, and
DogWatch (®) is a trademark of DogWatch Inc.