Invisible Fence® is a registered trademark of Invisible Fence Company. Invisible Fencing® is a registered trademark of Invisible Fence Company. PetSafe®, Innotek®, Smart Dog®, Invisible Fence®, Pet Guardian®and Radio Fence® are registered trademarks of Radio Systems Corp. Dogwatch® is a registered trademark of
DogWatch Inc. Dog Guard is a registered trademark of Dog Guard, Inc