Herifi Demeter Series COB grow light 200-1000W DM002 COB grow led lights Advantage: 1.COB + 3W chip 2.CREE chip – 460nm, light macro chip – 630nm 660nm 3.Better heat dissipation. Pure aluminium radiator, Pure aluminium plate & Fan heat sink & aluminum shell, perfet cooling system together. 4.Dimmable or non-dimmable for your choice. 5.All is private mould 6.Unique apperance design.