The ROI-E420 is the perfect balance between energy efficiency and performanceFrom the minds of both Growers Choice & TSL Horti Tech, the same pair that brought out the ROI-E680, one of the best LED Grow Lights in the industry. Introducing the ROI-E420 full spectrum, compact horticulture LED fixture. Utilizing Growers Choice proven 3K full PAR spectrum, this LED is perfect for professional cultivators and grow enthusiasts alike, who require a powerful LED fixture with a lower profile frame. This new, sleek LED is also perfect for the hobby