... saving, better heat conducting,longer lifespan CE approved LED T8 Tube Light (1.2m, 18W, 1600lm, 6000K - 6500K, 120pcs, good heat conducting ... -alloy shell., PC cover. LED Qty: 120 pcs for 1.2mDiameter of the tube: 26mm LED lifespan: 50000 hours. 2. Electrical parameter ... Beam Angle: > 120° Color Rendering Index(Ra): >= 80 LED T8 Tube Light( new-designed, 1.2m, 18W, 1600lm)