This GPS wireless dog fence creates a virtual boundary up to 3,280 feet in radius, allowing your dog to roam freely within a designated safe zone without physical barriers. The system uses GPS technology to monitor your pet's location and delivers customizable corrections when they approach the boundary, including beep alerts, vibration, or static shock with adjustable intensity levels. You can combine modes based on your dog's training needs and sensitivity. The rechargeable collar features an IPX7 waterproof rating, making it suitable for outdoor use in various weather conditions. With a maximum collar circumference of 29.5 inches, it accommodates small, medium, and large dogs. The portable design allows easy setup in different locations, ideal for travel or temporary containment. The collar includes memory function and power-saving modes, providing 3-4 days of runtime per charge. Safety features include automatic pause intervals to prevent overstimulation during boundary training sessions.