1,Imported Samsung 5630 ultra bright, up to 115lm/w 2.PC cover under Fire Rating of UL-HBF Vo ... ,Imported Samsung 5630 LED chip,Ultra bright up to 115lm/w ,Ra>832,electric wave resistant, Instant start3, Isoltated driver with ... Do not use or store the tube un the direct sunshine,beside the heating equipment, high temperature places.We did ageing ...