The SpotOn is a half-pound GPS collar meant for dogs weighing 15 pounds or more. It comes in one color (gray) and three sizes ...

Dogs want to run and play off leash, but we have to weigh keeping them safe and having fun. That’s why an invisible fence is an excellent option if you don’t have a fenced yard or want a backup to ...

But keep in mind that a dog determined to get out will risk the shock and jump right on through the invisible barrier. Also, an invisible fence won't keep other animals from entering your yard.

He uses an invisible fence system which gives the dog a shock if it passes beyond certain markers in his yard. The collars use special batteries so you’re not strapping multiple full sized cells ...

When the dog gets too close to the fence, there's a warning sound to prevent ... Henderson adds that's he's perfectly fine walking back into the yard too—it's just walking out that's the problem.