LED ceiling downlight, rotatable and tiltable with surface-mounted housing made of aluminium, 4 integrated openings for light emission, only slightly visible (off-lens technology) for focussing light and reducing glare, narrow beam (light emission 40°) for accentuated illumination of surfaces and rooms, the full light performance thus appears on the illuminated area, surface-mounted housing formally adapting to the Nimbus products Q ONE and Q FRAME, operation by means of external converter (within the scope of delivery), dimmable via DALI or trailing/leading edge in combination with conventional wall dimmer.