Protect multiple pets by adding extra electric dog collars. Now you can keep your installed in-ground fencing system and add an extra collar for all of your pets safety. Order extra dog collars for Innotek, PetSafe, SportDOG and UltraSmart By InnotekDogtra electric fencing systems. You don't have to dig up your old system with these electric dog collars. You can also increase your coverage area with extra boundary kits.
