The Tri-Tronics Field 90 Exp G2 Dog Transmitter and Handheld Remote 1 Collar is a high-quality pet supply designed for dog owners. With the trusted brand of Tri-Tronics and the advanced model of Field 90 Exp G2, pet owners can provide their dogs with a reliable and effective training experience. The handheld remote and collar work together to allow owners to easily control and train their dogs, providing a convenient and efficient solution for obedience and behavior management.