... for maintenance6.Heat dispersion method: shell dispersing heat for independent module, the high index for heat exchange7.surface treatment: anodic oxidation ... efficient chip, over 50,000 hours for lifespan9.Optical treatment: module adopting light distribution of lensApplication:Hotel, Marketplace,Shop, Villa, Office ... and all your private information CE RoHs PSE C-tick COB led down light 7W