The test includes:

1. Quality

   TÜV Rheinland has tested this product in order to ascertain whether the quality characteristics stated by the manufacturer are satisfied by this product. Amongst the minimum quality requirements are safety, functionality and documentation. TÜV Rheinland has defined a catalogue of tests, which establishes the minimum standards for the quality characteristic according to the product and manufacturer's information, and provided the product is used as intended. The test catalogue is based on internationally applicable standards or standards in common use in the industry and exceeds these. The product has been tested in the laboratory according to these criteria. The keyword "Quality" confirms that the product satisfies TÜV Rheinland's test criteria.

2. Regular Product Surveillance

   In order to ensure that products tested and certified once by TÜV Rheinland continue to be manufactured at the same quality, product samples are tested at regular intervals. The samples come from the current production or are sourced from the market. The label "Regular Product Surveillance" confirms that the product has been subject to these checks.