Customizable Go-Fence ZoneThe security fence system lets you know if your pet is in a safe area. You can set a safe zone where you consider the pet safe and protected. Use the app to map safe zones around your favorite yard or park and get instant alerts when your dog crosses these boundaries. Real-Time GPS Dog Collar The GPS tracker works with GPS, WiFi, AGPS, LBS and long range systems. Pets wearing trackers can walk and track accurately. Track the location update by sending SMS and display on APP and Internet. The navigation accuracy is less than 10 meters. Always know the exact location of your pet with accurate GPS! Easy to Use The GPS tracker is easy to install and use. Simply download the free app and follow the instructions. Using the app, you can view your pet's activity and locate their location at any time. Using a remote voice monitor, you can call them home, reassure them when you are away, and hear their responses. Note: There is a protective film on the screen of the