Complete packaging, installation and operating instructions are in the world Polish. Apart from the fact that it is a legal guidance in resolving the language of the country of sale, the doorbell button has only the attachment option to beige supplied double-sided tape. To fix holes in the housing to the bell push permanently using screws, unfortunately missing completely. So how should one the push buttons eg mounted on a clinker or sgraffito facade? Fortunately, the receiver has only a few settings, so that they could be found by trial and error yourself. All in all, met the article's purpose.