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

If that’s the position you find yourself in, we suggest you look at a DIY wireless ... fence. From GPS leader Garmin, this ...

or a wireless system that allows for flexible perimeters. Your pet wears an electronic collar that gives them a gentle shock every time they try to cross the line of the electric current.