Cylindrical ceiling surface mounted downlight made from die-cast aluminium; surface Black Matt; powder coated; matt texture; RAL 9011; with COB (Chip on Board) technology for maximum efficiency; light colour 1800 K - 3000 K colour warm dimming; CRI ≥ 90; beam angle 38°; degree of protection IP20; Class 3; driver included; light source replaceable by Wever & Ducré or by a professional with explicit authorization;