Irrespective of how a lot you adore your dogs, there are just days when you’re too tired to keep an eye on them more often than not. The included transmitter, however, can serve as much as 5 acres in the event you acquire more cord, so there may be the potential of increasing boundaries with out as many prices implied as you’ll have initially expected. An infinite variety of collars can be added, which is a superb plus for canine lovers who plan on rising extra puppies or for trainers.