1,192pcs SMD3014 as LED source. 2, PC cover has ... 3, CE,RoHS approved 4ft 18W SMD3014 T8 LED tube Product Features1 No RF interference, no flickering, ... constant current driver7 Three years warrantyMechanical DimensionsT8 1200MM LED Tube Lighttube length: L1=1198±1mmtotal length: L2=1212 ... ±1mmlighting length: L3=1160±1mmtube diameter: Φ1=26mm/30MMend cap diameter: Φ2=29mm/33MMTube material: ...