Recessed downlight with optical design variants for general lighting, high ease of maintenance, no UV and heat radiation, innovative heat management with passive cooling (heat sink made of die-cast aluminum), high-performance mirror reflector made of aluminum with precise symmetrical beam characteristics for maximum light output and optimal glare control, front/mounting ring made of die-cast zinc with clear light effect ring (other decorative/light effect rings and decorative glasses are available as an option), tool-free ceiling installation with automatic quick-clamping (automatic adjustment of the ceiling thickness), connection to control gear via pre-assembled light cable, control gear (LED converter DALI, dimmable) included (external placement)