The Garmin Astro 430 is a GPS tracking device designed specifically for hunting dogs. It allows hunters to track the location of their dogs in real-time, even in dense cover or remote areas. The device comes with a handheld unit and a collar that is worn by the dog. The handheld unit displays the dog's location on a map and provides information such as distance, direction, and speed. The Astro 430 also has features such as a compass, barometric altimeter, and customizable maps. Our website offers a range of screen protectors for the Astro 430 to help protect the device from scratches and damage during outdoor use.