The Dogtra 280NCP Platinum Remote Trainer is a high-quality e-collar designed for medium-sized dogs with a range of up to 1/2 mile. This remote trainer allows pet owners to effectively train their dogs and correct unwanted behaviors with its low/medium power setting. With the Dogtra brand known for its reliability and durability, pet owners can trust that the Dogtra 280NCP Platinum Remote Trainer will provide the necessary tools for successful obedience training.