Pathfinder E-Collar & GPS for Smartphone

Dogtra pathfinder, brings gps & e-collar technology to your smartphone, way to track & train your dogs, works without using cellular data, just download the free maps & operate your smartphone in offline map mode, no extra navigation packages to purchase, access to google maps with satellite & terrain views & the ability to track up to 21 dogs or hunters, share locations, playback data & create customizable geo-fence alerts, fast 2 second update rate & a powerful zoom capability, tracking feature provides greater live action detail & accuracy when you're in the field.