Get peace of mind about your dog's safety and location with PetSafe Guardian GPS 2.0 Dog Fence + Tracking, the most advanced wireless GPS dog fence with real-time tracking capability. No buried wires, no complicated installationjust seamless, reliable containment wherever you go. The lightweight Guardian GPS 2.0 collar is 50% smaller and fits 98% of dog breeds* comfortably and securely, making it a good choice for both large and small dogs. AccuGuard technology is enhanced with dual-frequency GPS, AI-driven motion detection, and pinpoint-accurate tracking Get peace of mind about your dog's safety and location with PetSafe Guardian GPS 2.0 Dog Fence + Tracking, the most advanced wireless GPS dog fence with real-time tracking capability. No buried wires, no complicated installationjust seamless, reliable containment wherever you go. The lightweight Guardian GPS 2.0 collar is 50% smaller and fits 98% of dog breeds* comfortably and securely, making it a good choice for both large and small dogs. AccuGuard technology is enhanced with dual-frequency GPS, AI-driven motion detection, and pinpoint-accurate tracking for reliable fences in yards as small as 1/2 acre. Use the My PetSafe app step-by-step guide to create and store up to 50 custom fences for home, travel, or new locations, giving your dog freedom while ensuring their safety. Cellular service is required for GPS fences to function properly. or reliable fences in yards as small as 1/2 acre. Use the My PetSafe app step-by-step guide to create and store up to 50 custom fences for home, travel, or new locations, giving your dog freedom while ensuring their safety. Cellular service is required for GPS fences to function properly.