F-150 F-250 F-350 rear view camera backup interface for 4 screen. Was installed on a 2019 Ford F-250 with the 4″ screen radio as in the pictures The FORD 4″ FRD42CAMMOD kit interfaces an after-market rear (and optional front) camera into Ford vehicles equipped with the OEM 4 media screen. No dealership programming is required and this kit if fully Plug & Play behind the factory media screen. Note: before installing this module, VERIFY 75 ohms exists across pins 6 & 12 with a multimeter at the 4 screen connector. Only the interface is included no cameras but you can also add a front camera as well as a backup camera to your ford with this interface.