... light decay.2, D type AL housing assure excellent heat dissipation, prolong 3 times tube life3, LED constant current driver can ... improvelight efficiay and productReliability4, 18W LED tube can replace traditional 36W tube.5, 60% energy saving compared with traditional ... 50-60Hz9, CE & RoHS & PSE approvalApplication:Train, bus, office, factory, school, hospital, metro, shopping mall, hotel, etc.