... RF Interference; No Flickering Features of 18W led tube light t8:1.High-quality raw materials imported, with high illuminated efficiency ... white:6000~6500K,changeable to customer's requirement.6:Warranty:2 years, free repairment for quanlity problem ;7:Leadtime: ... CE,RoHs approved.Applications of 18W LED Tube Light T81. Living room, bedroom, kitchen, washroom;2. School, university, hospital, hotel;3 ...