These markings cannot be seen, and do not affect how the part functions or installs. This is for our protection, as well as yours. And you will be reported.We strive to make sure all our customers receive the best quality OEM parts, and service. We will do what we can to accommodate any reasonable request about an issue. The item "Pioneer Double Sized In-Dash DVD Receiver Car Stereo Model AVH-P4000DVD" is in sale since Thursday, November 26, 2020. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Video\Video In-Dash Units w/o GPS". The seller is "heatersus" and is located in Philadelphia, Pennsylvania. This item can be shipped to United States.