... LM-80 test---http://www.runlite.cn/userfiles/lz3jooca9pz801310104525.pdf,approved.light source---SMD3528:High brightness: epistar chip, we take ... :Office, living room, school, supermarket, hospital, meeting room, factory, laboratory, kitchen, corridor,hotel, restaurant, exhibition room, and warehouse. Service Assurance ... on problems within quality. 4ft 48inch led tube t10(TUV CE, RoHS approved)