1.High Brightness with 100lm/W for complete luminaire 2.Exact 30 x 120cm Troffer replacement with narrow lighting beam angle 3.Changeable LED modules with DC flex and plug 4.SELV LED module and isolated LED driver 5.LED Driver powered by / LUMAN /TRIDONIC with 5 year warranty 6.Environmental friendly : without mercury, ultraviolet(UV) and infra-red light 7.Quality materials providing 50,000 hours lifetime 8.CE(Europe), CB(International), SAA (Australia) and RoHS 9.Certified Pre-wired with flex and Plug for quick installation