The Border Collar for Dogs by Pawious has been a real lifesaver for us. Our dog was constantly trying to escape from the yard and we were looking for an effective solution https://pawious.com/collections/gps-wireless-dog-fences This collar turned out to be perfect. Installation and setup was easy and the results were immediate. Now our pet knows his boundaries and doesn't try to run away. We are very happy with this purchase and recommend it to all owners of active dogs.