Recessed luminaire applicable to the floor or ground, designed for fitting monochrome white LED sources, for illumination, fixed optic, with incorporated electronic control gear. The round frame has a diameter D=137 mm; the body and frame are made of AISI 304 stainless steel with anti-slip glass (conforming to Class R13 pursuant to DIN 51130), 12mm thickness and internal methacrylate opal diffuser. Stainless steel body coated with black paint.