Versions: Campana brembana 900 fully concealed sizes 1200x1200x900mm/47.2×47.2×35.4” with diameter Ø800mm/31.5” hole, Campana brembana ribassata 350 sizes 1200x1200x350mm/47.2×47.2×13.7” with diameter Ø750mm/29.5” hole protruding by 142mm/5.5” from the ceiling, Campana brembana 400 sizes 595x595x400mm/23.4×23.4×15.7” with diameter Ø405mm/15.9” hole, Campana brembana ribassata 250 sizes 595x595x250mm/23.4×23.4×9.8” with diameter Ø365mm/14.3” hole protruding by 37mm/1.4” from the ceiling. 2700K 3000K and 4000K Ra95 6W and 12.2W led kit. 120-277V power supply not included, to be installed remotely. possible 1-10V