Don't know where is the price break-point . You can ask them directly . Not here .
What do you think about this one ??
http://www.ecosunlite.com/e_productshow/?56-ESL-CREE-CX-COB-LED-6-56.html
Interested in the led lights you use and would like to check yours ? Espeicially those inside pics , people only see the house , not inside , would like to see.
LED chip is just one part of led grow light