... office, study-room and bedroom etc. 1)Special Featuresa) Light sensor function: auto identify the environment illuminance, and working ... , 10% illuminance, 3)After 40s, light off. d) Detection distance ,sensitivity of light sensor,time interval of corridor function, can ... be customized. e) Confirm to CE, CCC, FCC, ROHS etc. Intelligent LED T8 tube ...