The Dog Tracking Collar – GPS offers long-range monitoring with tracking updates as often as two and one half seconds when paired with a compatible handheld device, allowing you to follow your dog’s movement across distances of up to nine miles. Its slim, rugged design fits both large and small breeds, featuring a user-replaceable flex band and extended battery options that can deliver up to sixty-eight hours of use, or up to one hundred thirty-six hours with an upgraded pack. A bright multicolor LED helps you spot your dog in low-light conditions. The collar supports automatic updates when charging over a Wi-Fi connection and is built for dependable outdoor performance in a variety of environments.