The Evolution CTS is an in-cab controller, monitor, and digital gauge display for your gas powered truck. This power programmer maximizes performance in a variety of ways. Simply plug in to the OBDII (diagnostic) port under the dash and select one of the performance program levels to re-program your truck’s computer. With a 4.3 inch full color touch screen monitoring your vital engine information is easy and clear. The Evolution CTS is back-up camera ready and can engage camera when vehicle is put in reverse.