720~1000nm–– This wavelength is a general infrared wavelength, which has a low absorption rate for plants, can directly stimulate cell prolongation, and will affect flowering and seed germination. Waterproof Led Grow Light, Led Panel Light , Grow Light Track , Grow Light For Greenhouse ,600Watt Led 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,Algeria, Slovakia,Peru, Oslo.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.