The bright installation solution for common panel ceilings 100/200. , Optional accessories:, Wall/ceiling mounting, installation spring , Material: aluminum painted white/diffuser disc and light guide made of PMMA (non-yellowing), Dimensions (LxWxH): 1245x185x9 mm, Ceiling cutout (LxW) recessed light: 1230x170 mm, Ceiling cutout (LxW) insert light: 1221x161 mm, Color rendering index Ra: 80, Color difference (MacAdam): 3 SDCM, Service life: 50,000 h (L80 B10), Operating device included: dimmar 1-10V