The product is a keyless smart prox remote car key fob designed for 2015-2018 Cadillac Escalade vehicles. It is manufactured by Extra-Partss and features a black color and trunk release function. The remote requires dealer or locksmith intervention for programming and key cutting. Batteries are already installed in the remote, making it convenient for users who need a replacement car key fob with specific manufacturer part numbers HYQ2AB, 1358081, 13594024, and 1358539.