Garmin Alpha 200 dog tracking and training system let you monitor up to 20 dogs from up to 9 miles (depending on dog device) on a 3.5” display with a 2.5-second update rate. Easily control training functions by using the button-operated, dog-focused design. You’ll also have access to premium Garmin navigation features, such as preloaded TopoActive maps, BirdsEye Satellite Imagery with direct-to-device downloads, and a built-in three-axis compass and barometric altimeter.