Explore the all-new redesigned Halo Collar four, the last word Resolution for Pet security and freedom. This Superior GPS Canine fence and monitoring system gives all enhanced features of past versions—Halo Collar two+ and Halo Collar three—even though enhancing your Pet dog’s protection. Using the Halo Pet dog collar, halo collar 4you can transform any place into a Harmless virtual wireless Pet fence, making sure your Canine's basic safety with no need for a conventional electrical fence. Ideal for Doggy coaching, conduct management, and Pet psychology, this GPS Doggy tracker is a necessity-have For each and every dog owner. Have a look at our Halo Collar testimonials and see how this Pet collar results in a backyard wherever you go!