The best wireless dog fences help keep your pups safe outdoors. We tapped a professional trainer to choose our top 4 picks.

$319.95 at Amazon The weight and shock level of some collars make them more appropriate for larger dogs. The PetSafe Stay and Play invisible fence is designed for dogs as small as five pounds.

[Lou] sent in this amazingly simple hack that has been saving him money on special batteries for his dog collar. He uses an invisible fence system which gives the dog a shock if it passes beyond ...

I could not be happier than I am with my Invisible Fence. We moved to Dunnellon after living in the jungle of Costa Rica and my two Standard poodles were used to free range with no restrictions ...

He developed a wireless fence where you simply draw the invisible fencing boundaries on your phone and use the accompanying GPS enabled dog collar to keep your pet safe inside a defined perimeter.