halls with ceiling heights of up to 15.9 m. All PYRA lights are additionally approved under DIN EN 54-23. Thanks to their design in the protection classes IP 66 and IK08, the PYRA X-L signaling devices [...] Here, Pfannenberg and Schurrer provide the flashing sounders of the PATROL series, such as the PA X 1-05. They have short delivery times and are quickly installed, because they are delivered prewired. [...] for the PC 2500 include e.g. manufacturing and laboratory technology and non-destructive material testing, e.g. in industrial X-ray technology.