Built-in element for a roof window and roof window arrangement with roof window and installation element

摘要

The invention relates to a built-in element for a roof window, in particular roof windows. It is provided, an installation opening (14) for the roof window (16) having mounting frame (7), the at least one signaling device (30) for outputting a signal upon reaching a Einsetzendstellung the roof window (16) in the insertion opening (14) , Furthermore, the invention relates to a roof window assembly with a roof window and a mounting element.