42947847 LANOS S 1900-927-65Z OP DI LDE BK Decor. round wall and ceiling luminaire LANOS OPAL; LED service life lasts 50000 h before luminous flux is reduced to 80% of the initial value. Luminaire efficacy: 130 lm/W; Total luminous flux: 1900 lm; Colour rendering Ra > 90, colour temperature (tunable) 2700-6500 K, spectral distribution balanced, spectral similarity at 4000K to the natural light spectrum (sunlight) and its CCT of 5800K; DALI controllable luminaire; with LED converter; Chromaticity tolerance (initial MacAdam): 2; premium luminaire housing made of polycarbonate in colour black; (similar to RAL 9005); opal optic; Low indirect component for wall / ceiling illumination, emphasising the floating appearance; ; Impact strength: IK08 and protection rating IP54. Dimensions: Ø320 x 69 mm; weight: 1.7 kg