Upgrade your existing Kleinn wireless remote start system with the premium RFKIT1 radio frequency one-way remote upgrade kit. This comprehensive package includes two sleek one-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. This premium single-button design offers ultimate convenience and simplicity, allowing you to easily start or stop your vehicle with a quick touch. This universal add-on kit is the perfect solution for anyone looking to maximize the range and convenience of their Kleinn remote starter setup.