18w 4ft tube8 led light tube 1.Input voltage:85~265V/47-63HZ 2.tube material:Al + PC 3.CE,RoHS 4.3 years warranty 18w 4ft tube8 led light tube Features Energy saving up to 80% high intensity.Using PC-environmental friendly material for tube.Instant start, no flickering, no humming.New inner high efficiency constant current driver, with heart protection system, can work under unstable voltage. ...