... long life3) T8 led tube, 1200cm long size:1210mm*D26mm4) Luminous flux: >2200lm5) Viewing angle: 140 degree6) CE, ROHS and FCC ... approved7) Unique structure & high quality LED with patent from taiwan.8) Color temperature from 2,700K to 8,000K for your choice ... light spread, but no shadow or LED can be seen from outside.11) Heat conductivity of aluminum base is 2.8, excellent ...