... roungLight: OtherCorrelated Color Temperature: 5500K~6000K, 4000...Usage: bus , workbench lighting etc Specifications:LED Tube Lighting Ambient Temperature: -40- 60 ... LED T8 Tube,LED T8 Tube Light,LED Commercial Light,LED Commercial Lighting, led light tube,led lamp tube, led fluorescent ... 4000K~4500K, 2800K~3300K9) High performance SMD led:low light degradation,up to 75% lumen maintenance after 35.000 ...