Schneider Electric Exxact push-button switch WDE003949 is in color anthracite with 2 rockers, for KNX bus system. It is equipped with LED, glowing with a soft luminescence in the dark. Flush mounting is supported so that its box can be recessed into the surface and unexposed. And it reaches IP20 degree of protection too. Being made of plastic, polycarbonate material, this push-button switch is very reliable and resistant. And it is halogen free. Exxact is a wiring range developed from Nordic installation habits. As integrated solutions for energy and comfort controls, there are more than 250 functions and inserts to choose from.