... 3, LED constant current driver 4, 1.0mm Aluminum PCB LED tube 1.2m TDL-YG2004-18/G13Type:Office lightT10 18W LED tubeHeat Sink6063 ... Environment-20°C~40°CLife50000 hoursSpecification:1, Imported 3014 LED chip, high light efficiay, low light decay.2, ... prolong 3 times tube life3, LED constant current driver can improvelight efficiay and productReliability4, 18W LED tube can replace traditional 36W tube ...