... , . 2, D type AL housing 3, LED constant current driver 4, 1.0mm Aluminum PCB LED tube 1.2m TDL-YG2004-18/G13Type ... :Office lightT10 18W LED tubeHeat Sink6063 alloyBus,train,home, ... current driver can improvelight efficiay and productReliability4, 18W LED tube can replace traditional 36W tube.5, 60% energy saving compared with traditional T8 ...