**Remember to measure for the perfect fit.** When seconds matter, accuracy is everything. The PetSafe Guardian GPS Wireless Dog Fence System gives you the safety and reliability you expect at home—all without the commitment of a subscription. Guardian’s AccuGuard technology combines GPS satellite data with real-time motion detection and AI for advanced protection. The sleek, lightweight collar is comfortable to wear, and a simple overnight charge offers up to five days of continuous use. Plus, it’s safe to use on long summer days, and it’s waterproof to withstand a splash by the creek, pond, or pool. The Guardian GPS Dog Fence collar is easy to set up in two hours or less. Use the My PetSafe app on your smartphone to create your wireless dog fence and receive timely notifications. With no subscription required, it offers safety and reliability at a price pet parents love. Connect up to eight dogs to one fence with Guardian Add-A-Dog Collars (sold separately).