280~315nm–– This wavelength is already ultraviolet light, which has the function of direct suppressive growth for the growth of various animals, plants and even fungi, and has little impact on morphology and physiological processes. Grow Light With Timer, Wifi Led Grow Light , Led 3W Grow Light , Noah Led Grow Light ,Led Projector Grow Light . Observe which plants are completely in the sun? Which ones are in the shade? When do the plants next to the wall get the sun? From this, you can further find out the growth of the same plant in different places, so that you will have a better understanding of the growing conditions required by the plant. The product will supply to all over the world, such as Europe, America, Australia,Malaysia, Muscat,Kuwait, Grenada.LED plant lights help shorten the growth cycle of plants, because the light source of this lamp is mainly composed of red and blue light sources, using the most sensitive light band of plants, red light wavelengths use 620-630nm and 640-660nm, blue light wavelengths use 450-460nm and 460-470nm.