400~520nm (blue) – This wavelength can directly develop plant roots and stems, and has the largest absorption ratio of chlorophyll and carotenoids and the greatest impact on photosynthesis. Led Grow Light Cob Conector, Led Cob Light Grow , Octopus Grow Light , Grow Light Desk ,White Grow Strip Light . Before understanding how to cultivate plants, we must first know the most necessary conditions for plant growth. Of course, sunshine, air, and water are indispensable, but how much sunlight and how much moisture you need, this requires your attention. The product will supply to all over the world, such as Europe, America, Australia,Benin, Rwanda,Romania, Italy.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.