Explore the differences between Halo Collar 4 & SpotOn Fence, including price & accuracy. Our expert review can help you choose the best GPS dog fence in 2024.
Introducing Halo: the world’s greatest smart fence system. The virtual fences you create right in the app work with the revolutionary Halo Collar, and actually keep your dog safely inside. Halo also includes in-app expert training, using Cesar Millan's proven training methods, real-time safety...