This product is manufactured and marketed by: Zimo Elektronik GmbH, Schoenbrunner Str. 188, 1120 Wien, Austria, Tel. +43 1 81310070, eMail: office@zimo.at . Trade name = trademark = ZIMO Elektronik. The identification marking (e.g. article name, possibly also article number) is given in the title and in the description. Every operating manual in German (I only offer this article for delivery within Germany) can be downloaded free of charge from the manufacturer's website, but is included in paper form for technically more complex articles. The operating manual contains warnings and safety information if required for the article.