The ROI-E200 is the newest member of the ROI-E series. With it's versatile compact design and high intensity 4k spectrum this device is great for commercial growers that need trustworthy low profile lights that perform excellent in all stages of growth and also excel in veg. The ROI-E200 was also designed to be a functional seed to flower device, for the hobbyist looking to cultivate a quality garden in limited space.