Garmin Astro 430/T 5 Dog Tracking Bundle

About this item Expanded dog capability – track up to 20 dogs from a range of up to 9 miles GPS/glonass – high-sensitivity GPS and glonass satellite reception has the ability to track in more challenging environments than GPS alone Preloaded mapping – includes preloaded topo U.S. 100K mapping and a free 1-year birdseye satellite imagery subscription Hunt metrics – hunt metrics dog performance data shows distance traveled, time afield and more, so you can train your dog more effectively.Optional battery – optional in-unit rechargeable nimh battery Pack or uses standard AA battery power Dimension(inches):2.4 x 6.3 x 1.4. Battery life – up to 20 hours (Astro 430)