Read the reviews, of course, read before purchase and goods correspond to the customer reviews. In hindsight, I would rather have paid a little more and saved me the complicated structure. The instructions can be forgettable. Is a bad copy in English. For a star deduction. Backplate had little bump, probably occurred in transit. But does not bother me. Packaging does not meet the guidelines DHL. A fall from 1 m height would be lethal. Housing is not warped by building fits perfectly into the current state, so that the door grinds. Is likely to align the mount to the wall by itself. Caution When fastening the door hinges. Tighten with screws and feeling no way to Stop reindrehen! The screw on the housing front screw top left only at the end, because you have to lift the lid nor the Mount door. I'm not thrilled, but will fulfill its purpose as a wall box.