"The Bully Dog GTX Performance Tuner eliminates the need for a computer with built in Wifi and cloud based tuning. It's easy to use and loaded with powerful features and our most advanced hardware to-date. Its incredibly responsive with a start up time under 10 second and a 5-inch capacitive glass touch screen. Along with the ability to hold 20 custom tunes, GTX comes preloaded with multiple powerful tuning levels. GTX is also the premier data monitoring solution, giving drivers the ability to monitor the industry's most extensive list of PIDS, or engine parameters, on an easy-to-use device. Its high-resolution customizable gauges and WiFi connectivity add to the truly unparalleled user experience.