LED ceiling surface-mounted light (complete light), 'Stable White', cut-off angle 60°, equipment: LED1600-930, color rendering Ra > 90, color temperature 3000 K (warm white), color tolerance (initial MacAdam): 3, light output: 22 W, light luminous flux: 1634 lm, light luminous efficacy: 74 lm/W, service life: 50000h at 85% luminous flux, with ballast unit, DALI controllable light (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, smooth reflector coated in aluminum color, matt, 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 locked to the upper part using a bayonet lock, light wired halogen-free, connection: 5-pin plug connection terminal, mains voltage: 220-240V / 0/50/60Hz, dimensions: diameter 100 x 276 mm, weight: 2.26 kg, note: UGR<19 for office applications according to EN12464 (depending on the luminaire type)