Examine the all-new redesigned Halo Collar 4, the last word Alternative for Pet dog basic safety and independence. This State-of-the-art GPS Pet dog fence and tracking machine presents all enhanced features of prior versions—Halo Collar two+ and Halo Collar 3—when enhancing your Puppy’s safety. With the Halo dog collar, dog collar you could convert any place into a Harmless virtual wi-fi Puppy fence, ensuring your Pet's basic safety with no want for a traditional electric fence. Perfect for Pet dog schooling, actions administration, and Doggy psychology, this GPS Canine tracker is a necessity-have for every Canine operator. Look at our Halo Collar critiques and find out how this Doggy collar creates a yard anywhere you go!