The 3-in-1 GPS Dog Fence and Training Collar provides an accurate and flexible containment solution with customizable circular or polygonal boundaries that can be created directly through the free app, supporting up to three dogs at once. The system allows boundary radiuses from sixty-five feet to three thousand two hundred eighty feet, and offers adjustable sound, vibration, and static levels to suit different breeds and temperaments. Its upgraded GPS chip maintains strong satellite connectivity even in challenging environments, ensuring stable performance without base stations or buried wires. Designed for outdoor use, the collar features a rechargeable battery with up to forty-eight hours of life, an automatic power-saving mode, and an IP7 waterproof rating for use in rain, mud, and swimming. With integrated fence, training, and bark control functions, this collar helps create a safe activity area while promoting better behavior and worry-free playtime.