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 ...

This collar uses real-time GPS to keep tabs on your pooch, sending you smartphone notifications if your dog ever strays from your yard. It also works as a fitness tracker, counting your dogs steps and ...

Your pet wears an electronic collar that gives them a gentle shock every time ... This type of fence keeps your dog safe in the yard and provides a traditional look with lots of curb appeal. Iron, ...