I took this out of my 2011 2500 Chevy. It works very well and has no issues. I sold the truck so I took this out before I sold it. It looks like new, it has no scratches on the screen and comes with the window mount. I have had no problems with this tuner, it is for a diesel. They retail for 1200 dollars brand new and this one looks that way. I don't have the box anymore. Sold as is but I assure you there is nothing wrong with it.