Designed for Existing INVIROX Radar Systems - Up To 3 Dogs: This collar is specifically designed to be an additional or replacement collar for your existing INVIROX Wireless Invisible Fence with Radar Technology. It will not function as a standalone system and must be used in conjunction with the transmitter from the complete system.  Advanced Radar Technology for Precise Containment: Utilizes radar positioning technology, offering superior accuracy over traditional radio signal systems. This ensures your pet stays within the designated boundary, whether indoors or outdoors, with unmatched precision. No Wires, No Digging, No Hassle Setup: Set up your boundary without the hassle of digging trenches or burying wires. Simply use this collar with your existing system to quickly establish a safe area for your dog, making the process both easy and mess-free. Real-Time GPS Tracking with Safe Reentry: The collar provides real-time GPS monitoring, so you can always track your dog’s location. If they cross the boundary, they can return without receiving a correction, allowing them to learn without stress or confusion. Durable, Rechargeable, and Waterproof Collar: This collar is IPX7 waterproof and designed to withstand any weather. With up to 65 hours of battery life on a single charge, it’s the perfect combination of performance and durability.