Recessed downlight for general lighting, luminaire can be expanded with various optical decorative rings and glasses, high ease of maintenance, no UV and heat radiation, innovative heat management with passive cooling (heat sink made of die-cast aluminum), mirror reflector made of aluminum with precise symmetrical beam characteristics for optimal light output and glare control, filigree front ring made of white polycarbonate, tool-free ceiling installation with automatic quick-clamping (automatic adjustment of ceiling thickness), connection to control gear via pre-assembled light cable, control gear (LED converter DALI, dimmable) included (external placement)