Sunplix spled g4 series led grow lights are built with high quality samsung lm301b full spectrum white diodes. They are built specifically for commercial greenhouse growers. The lights encompass a continuous range of wavelength from blue and green to red, creating a light blend suitable for horticultural uses.Compared to obsolete narrow spectrum (combining different wavelength leds) led lighting, these lights encourage healthier and more balanced plant growth by stimulating photosynthesis, enhancing plant immunity and increasing nutritional value. Spled g4 series led grow lights can help to improve the overall farming environment by enabling growers to observe plant conditions more easily and spot diseases at an earlier stage under the bright white light which is similar to sunlight. Besides basic model, there are three other models that are built in rj14 module. You can control multiple lights with sunplix controller or other popular controllers on the market.