Track and monitor your dogs in the field with the in-vehicle dog tracker with on and off road GPS navigation with enhanced connectivity. Wirelessly pair with select Garmin GPS dog systems. See everything on the bright 6.95" display, including preloaded TOPO maps and a 1-year BirdsEye Satellite imagery subscription. Navigate streets and highways with map updates for North America. Currently compatible with AstroÆ320, 430, Alpha Æ100, PRO 550 Plus.