LED ceiling recessed light (complete light), 'Stable White', cut-off angle 45°, equipment: 15 W LED830, colour rendering Ra > 80, colour temperature 3000 K (warm white), colour tolerance (initial MacAdam): 3, luminaire luminous flux: 1542 lm, luminaire luminous efficacy: 103 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 optimised heat management made of die-cast aluminium, smooth reflector, aluminium-sputtered, high-gloss, iridescence-free, reflector/cover ring made of high-quality, UV-resistant polycarbonate (PC), cover ring white, mounting ring made of glass fibre reinforced polycarbonate (PC), grey, tool-free quick assembly of the light unit using a bayonet lock, IP20, luminaire wired halogen-free, connection: 5-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 cut-out: 100mm, installation depth: 140mm, weight: 0.52 kg, note: UGR<19 for office applications according to EN12464 (depending on the luminaire type)