LED ceiling-recessed luminaire (Komplettleuchte), "Stable White"; maximum light quality thanks to specially designed reflector, lamp(s): 10 W LED827, VERY WIDEFLOOD distribution characteristic; reflector: smooth, white coated (51 °); Colour rendering Ra > 80, colour temperature 2700 K (warm white); Chromaticity tolerance (initial MacAdam): 3; Luminaire luminous flux: 567 lm, Luminaire efficacy: 57 lm/W; service life: 50000h at 85% luminous flux; includes control unit ; modular, high quality optical unit consisting of reflector and LED light chamber integrated in optimised thermal management of die-cast aluminium; reflector/trim made of high-quality, UV-resistant polycarbonate; cover ring white; mounting surround of die-cast aluminium; luminaire unit can be fitted quickly without tools using twist-and-lock mechanism; IP20; luminaire wired with halogen-free leads; power connection: 2-pole terminal; mains voltage: 220-240V / 0/50/60Hz, for use with 220V DC central battery; tool-free quick installation using antislip spring clips in ceilings of thickness 1-25mm; ceiling cutout: 68mm, recess depth: 110mm; weight: 0.31 kg