The bright installation solution for standard 625 module ceilings.Optional accessories:Wall/ceiling mountingInstallation springInstallation frameMaterial: Aluminium painted white/diffuser disc and light guide made of PMMA (non-yellowing)Dimensions (LxWxH): 1245x308x9 mmCeiling cutout (LxW) recessed light: 1230x290 mmCeiling cutout (LxW) insert light: 1221x284 mmColor rendering index Ra: 80Color difference (MacAdam): 3 SDCMService life: 50,000 h (L80 B10)Operating device included: dimmable 1-10V