Operating instructions DuoFern wall switch 1-channel 9494-3 F. Tepaße Updated March 09, 2024 13:53 Follow Download PDF Related articles Activate login mode: DuoFern wall switch 1-channel 9494-3 What are the key combinations for the DuoFern wall switch 1-channel? Can the wall switch 1-channel be integrated into other switch programs? Is the DuoFern wall switch 1-channel battery operated? How many devices can be controlled with the wall switch 1-channel?