Bright 2.6", 65K sunlight-readable TFT color display (160 x 240 pixels)
Worldwide built-in basemap with shaded relief, supports Garmin® Custom maps, BirdsEye™ (overlay satellite image)
3-axis compass & barometric altimeter
Built-in vibration motor to support silent alerts
Wireless dog sharing for easy transfer of tracking capabilities to another Astro® 320
Wireless unit-to-unit data transfer of waypoints, routes, tracks & geocaches with other compatible devices
User profiles including preloaded profiles for different types of hunting, pointing dogs or treeing dogs, in addition to usage modes outside hunting
Able to track up to 10 dogs simultaneously
Rugged & waterproof (IEC 60529 IPX7)
HotFix® support
Automatic time zone detection
True type font support for improved font readability
Up to 20-hour battery life
Requires 2 AA batteries
