LED ceiling surface-mounted luminaire (complete luminaire), 'Stable White', highest light quality thanks to specially designed reflector, equipment: LED900-940, (32 °) FLOOD beam characteristic, reflector: smooth, aluminum-colored coated and matt, color rendering Ra > 90, color temperature 4000 K (neutral white), color tolerance (initial MacAdam): 3, luminaire power: 12 W, luminaire luminous flux: 910 lm, luminaire luminous efficacy: 76 lm/W, service life: 50000h at 85% luminous flux, with ballast unit, DALI controllable luminaire (DALI only), modular, high-quality optical unit made of reflector and LED light chamber, integrated in the optimized heat management made of die-cast aluminum, reflector made of high-quality, UV-resistant polycarbonate (PC), surface-mounted housing (2-part) made of die-cast aluminum, painted white, lower part of the housing is attached to the upper part using a bayonet lock locked, lamp wired halogen-free, connection: 5-pin plug connection terminal, mains voltage: 220-240V / 0/50/60Hz, dimensions: diameter 70 x 227 mm, weight: 1.08 kg, note: UGR<19 for office applications according to EN12464 (depending on the lamp type)