The Denali 2.0 Plug-n-Play Gen II CANsmart Controller is designed to streamline the control of up to four accessories via your vehicle s CANbus electrical system. It enables you to manage settings for auxiliary lights, brake lights, and an auxiliary horn with ease, either through your BMW's "WonderWheel" or the CANsmart Accessory Manager Software.Here are the key features of this controller:Pre-programmed accessory circuits: Each of the four circuits is designed to control two auxiliary lights, a horn, and a brake light independently, with built-in electronic fusing for ease of use and added protection.Auxiliary light circuits: These circuits allow you to adjust high and low beam brightness directly from the vehicle s WonderWheel, and activate strobe or flash-to-pass modes by using the high beam switch or horn for added visibility.Smart brake light circuit: Converts a standard 2-wire brake light into a smart system that offers running light functionality, multiple flash patterns, and