LED ceiling recessed light without cover ring 'trimless', 'Stable White', cut-off angle 60°, equipment: LED1000-930, color rendering Ra > 90 (R9> 50), color temperature 3000 K (warm white), color tolerance (initial MacAdam): 2, luminaire power: 9 W, luminaire luminous flux: 935 lm, luminaire luminous efficacy: 104 lm/W, service life: 100,000 hours at 90% luminous flux or 50,000 hours at 95% 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 painted white, reflector made of high-quality, UV-resistant polycarbonate (PC), tool-free quick assembly of the light unit using a bayonet lock, IP44_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 cutout: 100mm, installation depth: 100mm (ceiling thicknesses 1-15mm), weight: 0.52 kg, note: UGR<19 for office applications in accordance with EN12464 (depending on the luminaire type) Note: mounting ring (planar ring) for flush installation of the luminaire must be ordered separately (see accessories)