Housing made of polycarbonate, injection-molded, translucent with a patented labyrinth profile, without additional seal (age-resistant), two external fastening clips made of V2A, movable to compensate for the drill hole, clip-free tray fastening, impact resistance > 6 Nm, easy-to-clean housing surface, direct/indirect light distribution, glare-free thanks to diffusely radiating coating in a satin look, electrical connection via a 3-pin connection terminal with plug-in contact technology.