Upgrade your existing Kleinn wireless remote start system with the premium RFKIT2W radio frequency two-way remote upgrade kit. This comprehensive package includes two sleek four-button remote controls, a high-performance antenna, and all the necessary connection cables to dramatically extend your system's operational capability. Engineered to provide an extended communication distance, this system allows you to effortlessly command your remote starter from up to twenty-five hundred feet away. As a premium two-way setup, the remotes provide invaluable piece of mind by actively confirming your start and stop commands both audibly and visually, so you always know your vehicle is cooling down or warming up. This universal add-on kit is the perfect solution for anyone looking to maximize the range and convenience of their Kleinn remote starter setup.