3000-10000 depending on distance. however lumens are not a good way to determine plant growth abilities of LED lighting. lm's are rated by the eyes perception of light, which is basically opposite of a plants absorption spectrum.

thanks for the interest
db

__________________
Your style will eventually match your grow area and the amount of time and money you like to put into initial setup vs. long term maintenance.-stinkyattic
"Boy, the next words outta your mouth better be some brilliant Mark Twain shit...cause it is definitely getting chiseled on your tombstone"-Otis Driftwood
LED growing- An instructional grow log
Episode 3...Revenge of the LED