The DogTek Electronic Dog Fence system EF-4000 is an invisible dog fence which enables you to keep one or more dogs safe in complete freedom within a perimeter.
DIY Invisible Dog Fence ReviewsBest DIY Fence Systems
DIY Invisible Dog Fence ReviewsThe DogTek Electronic Dog Fence system EF-4000 is an invisible dog fence which enables you to keep one or more dogs safe in complete freedom within a perimeter.