The wireless & battery-free concept is composed of 2 types of units: main and auxiliary. These modules are made to be easily integrated into a false ceiling or a technical gallery.
The main unit is equipped with a 868Mhz transmitter / receiver module, while the auxiliary unit is not equipped and must be installed in series with the main unit or 2.4Ghz antena module.
It is possible to connect 4 wired switches.
Same features & accessories as the Light Air Switch kit