Keep your dog safe with the new Halo Collar 5 wireless dog fence GPS tracker & activity monitor dog training collar. Build unlimited fences in the Halo Collar app and see up-to-date, real-time location tracking that lets you know exactly where your pup is at all times. The Halo Collar 5 now analyzes 20 location updates per second providing unmatched precision and faster response time. It also features up to 48 hours of battery life and a new dedicated chip design that ensures stronger, more stable connections. Halo’s training program is developed by renowned dog behaviorist Cesar Millan and includes multiple customized feedback choices to keep your dog safe everywhere you go.