Panel luminaire type M2-R for Ceiling recessed mounting, Length 1197mm and width 297mm, colour WH - White, LED light source, lumen out 5044lm, LED driver type DALI DT8: Dimming (CCT/Tuneable white), colour temperature 2700 Kelvin, to 6500 Kelvin, and CRI >80, Optic type MP - Micro prismatic diffuser,