gps personal tracker 1. SOS, GEO fence, 2.Moniton sensor 3.Real time tracking 4.Conversation function. Cavalry K9 Personal Guard of the Old ... all the time.By GPS system, it obtains equipment position accurately, provides services in the followings: personal whereabouts location tracking, outdoor ... ; two authorized phone numbers can be set for calling. Mini K9 GPS Personal tracker for olds/kids/pets