haltech mxl track if youre a driver, aiming to your best lap, you will find in the haltech mxl track a valuable help to analyse and optimise both you and your vehicles performances. featuring 1 rpm input, 1 wheel speed input, 6 configurable alarm leds, 10 fully configurable shift lights, gear number display, internat lateral g sensor, 8 megabytes of internal memory, 8 configurable channels, kits sensors and infrared transmitters and receivers. haltech mxl track is what you are searching for. the additional can protocol allows the haltech mxl dash to interface with external expansion modules.