Dynatek Fusion Fuel Controller DFE-17-032 Uses factory connectors for easy installation USB powered from computer (9 volt adapter is no longer needed for programming) 2 position map switching function built in (map switch not included) Gear input (allows for map adjustment based on gear and speed) Analog input (allows user to install any 0-5 volt sensor and build an adjustment table based on its input such as boost or temperature)