For controlling the lighting, siren, and gate(s) of a fire station, as well as the flashing lights and sirens of emergency vehicles. Flashing lights can be configured as single flashers (for older vehicles) or double flashers (for modern vehicles). The switch between alarm and normal operation occurs automatically after randomly long pauses or through a short ground pulse at the switch input. Note regarding the stored sound: The LC-NG module is not designed as a sound module; the stored sound is correspondingly simple.