AdKeep your dog safe anywhere with Halo Collar 4's precise dual-band GPS and perfect fit. The all-new Halo Collar 4: The safest GPS fence with unbeatable accuracy and tracking.
Perfect Fit System · Available in four colors · Intuitive App · Dog Training
AdMake Your Life Easier & Dog Happier. Virtual Fences, Virtually Anywhere. New Next-Gen System. The Most Reliable, Sensitive, DogFence in the Palm of Your Hand.