ACCURATE POSITIONING SYSTEM: The PLOJOP Wireless Pet Fence System has been upgraded from the traditional system with a more accurate range, wireless pet fence keeps your dog safely inside the boundaries that you easily define and prevent them from leaving, and keeps your pets away from landscaping, swimming pools, rubbish bins, rocks etc. When you test it, you'll be able to clearly see on the GPS dog fence display whether the tested distance is accurate or not. Buzzer, vibration and static training modes are automatically activated when your dog jumps over the GPS boundary or approaches an obstacle. CONTINUOUSLY RECHARGEABLE WATERPROOF: This dog fence is a true wireless fence system without any wires and flag layouts, fully charged and ready to use, due to the upgraded charging socket with waterproof function, please stand still when charging, shake only slightly, not violently, to avoid dropping the plug, you can set up the boundary and put it into use in a short period of time, and the GPS wireless dog fence system is small in size, easy to carry and use, and light in weight, which won't cause any burden to your dog. WIDE COVERAGE: The GPS wireless dog fence has a coverage range of 97-3280 feet, the distance can be adjusted according to your requirements, the maximum can be up to 3280 feet, and you can set up 1-30 pet barrier protection location points to keep your pets away from this location point, to protect the circular area of 16 feet, if your dog goes out of the set range, the vibration,shock and beeper will continue to work for 15 seconds, then pause for 18 seconds, then it will automatically repeat three times until the dog returns to the safe area.