Check the listing for details. Dogtra EDGE RT Add RX BLACK - 1 Mile - Additional Collar. Color: Black, Condition: New. Listed at 164.99 USD. Dogtra EDGE RT Add RX BLACK - 1 Mile - Additional Collar Enhance Control, Expand Your Pack! Elevate your dog training experience with the Dogtra EDGE RT Add RX BLACK - 1 Mile Additional Collar, the ultimate solution for professional trainers and dedicated pet owners. Designed for seamless integration with your Dogtra EDGE RT system, this additional collar ensures unmatched precision and performance, even in multi-dog scenarios. Crafted to withstand rigorous training conditions, this high-quality collar offers an impressive 1-mile range, rugged durability, and a sleek, lightweight design. Whether you're training working dogs, hunting companions, or household pets, the EDGE RT Add RX BLACK delivers the reliability and responsiveness you need. The intuitive design pairs effortlessly with your existing Dogtra EDGE RT transmitter, offering customizable training modes tailored to your dog’s unique temperament and training needs. Water-resistant and built for the toughest environments, this collar guarantees consistent performance no matter where your adventures take you.