All previously defined devices – such as individual lights, lighting rails and entire circuits – can be switched off with a central command. That way, you can rest assured that everything really is off when you leave the house.
The central 1-way switch is practically located in the hallway, for example. Please note: This is a pushbutton sensor or wireless wall transmitter programmed as a central 1-way switch, and is only viable in connection with a bus installation.