COB growlight offer with three size : 360w 540w 720w Powerful 4pcs 90W COB led . Huge coverage ? The new super-convex lens focus the light energy from each LED and increases the penetration through the canopy . Dimmers - Color Select Dimmable Switches with Vegetation & Bloom . Full spectrum - Perfect 13 full spectrum including UV and IR . Lens - The newest super-convex lens delivers much light to your plants . Cooling fans - Aluminum heat sinks , custom designed vents . Show More