... attenuation 3,30 / 45 / 60 degree 4,2 years warranty 2013 hot sale high power led ceiling light from China For more than ... ,led ceilinh light,led tube ,leb bulbs , etc. Our products have received warm welcome and wide popularity all over the world, particularly ... : 80-90lm/w or higher6. Color Temperature:white 6000-6500k,warm white:3000-3500k8. Life time: 30,000-50,000 hours9 ...