A 7-year guarantee demonstrates the utmost care in the development of the products. In addition, our devices achieve top marks in independent tests and testing procedures. Our in-house quality management ensures compliance with the highest quality and safety standards, which not only meets current requirements, but also goes far beyond the generally applicable standards. Therefore, not only the materials and components used are checked, but also the work and manufacturing processes within the company and at the suppliers on site - this enables a continuously high level of production. In this way, we have been offering our customers the greatest possible security in the usual premium quality for over 25 years.