Check out there price you can buy at least two 300watt Full Spectrum Led Grow Lighting.I don't know about you two is better than one.Check out this site and email or call for pricing. http:// USaveHydroponics.com you will be getting the dimmer switch which is new to the industry and it works 1 to 10 as five being the middle range. I would recommend this 300 watt Tri-band 8:1:1 ratio Red 660nm, Blue 462nm,and Orange Star Burst 612nm. For the price of the lumigrow lighting you can get two . We deliver a 3 year warranty on the appliance 10 years for the led's.It really matters how many plants and what is the space of the grow room?Check us out and we know you will be happy with the product!