The Alpha 200i dog tracking and training system allows you to monitor up to 20 dogs from up to 9 miles depending on your dog device. See your BirdsEye maps on the bright 3.5” display that is visible even in full daylight. Control training functions with the customizable button-operated, dog-focused design. Access premium Garmin navigation features, like preloaded TopoActive maps and BirdsEye Satellite Imagery – and now you can download your satellite imagery directly to your Alpha 200i with just a wi-fi connection. No more messing with the computer! The Alpha 200i also has built-in inReach technology – this adds two-way messaging, interactive SOS Alerts, and even weather updates (active satellite subscription required).