LED ceiling recessed light (complete light), 'Stable White', cut-off angle 60°, equipment: 9 W LED840, 52 °, color rendering Ra > 80, color temperature 4000 K (neutral white), color tolerance (initial MacAdam): 3, luminaire luminous flux: 1021 lm, luminaire luminous efficacy: 113 lm/W, service life: 50000h at 85% luminous flux, with ballast unit, 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, aluminum-sputtered, high-gloss, iridescence-free, reflector/cover ring made of high-quality, UV-resistant polycarbonate (PC), cover ring white, mounting ring made of glass fiber reinforced polycarbonate (PC), gray, tool-free quick assembly of the light unit using a bayonet lock, IP44_IP20, Luminaire wired halogen-free, connection: 3-pin plug connection terminal, loop-through possible, mains voltage: 220-240V / 0/50/60Hz, central battery compatible 220V DC, installation: tool-free quick installation using anti-slip retaining springs for ceiling thicknesses of 1-40mm, ceiling cutout: 100mm, installation depth: 100mm (ceiling thicknesses 1-15mm), weight: 0.49 kg, note: UGR<19 for office applications according to EN12464 (depending on the luminaire type)