Light Source :3528LED chipsBeam Angle    170°Chip Brand  : CREECRI : Ra = 70LEDs  :  340pcsTemperature : <20°Luminosity Flux :2600lm(600*600mm Reference)Size  :600*600Luminosity (1.5m)   :430Lux(600*600 Reference)Power  : 27W Inbreaking Protection : IP44light life : >= 50000HrsInsulation Protection :  CLASS IIIBezel Material : 6063 aluminum frame and baseboardPF := 90%Panle Material : PMMACCT : 2500K-8000KEnvironment Protection : All material POHS requirementInstallation : butt-in for office ceiling/wall mount/banging