Company Coptr - Warning device now warns population of disasters at Aachen pond

The hectic two-tone sound of the new warning system at the Aachen pond is hard to miss.

When the "tube" at the Aachen pond shows red, danger is in the air. (Photo: Horn)

The city pays nothing for the device and the trial operation started on Tuesday by managing director Philipp Kominek. "It has merely provided the land." Until September 2020, all kinds of aids will be used to test whether the system can also be understood by people who don't know it.