Garmin Astro 430 Dog Tracking GPS System with 2.6-Inch Display

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 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. Water rating: IPX7 International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.