315~400nm–– This kind of light wave is also a far-ultraviolet light, although there is no ultraviolet rays to harm plants, in order to have no direct effect on plant growth, chlorophyll absorption is small, affecting the photoperiod effect, preventing stem elongation. Led Grow Light For Indoor Garden, 1000 Watt Led Grow Light , Grow Light Hps , Swiss Led Grow Light ,Led Grow Light Foldable . 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,British, Iraq,Greenland, Juventus.In the past, the cost of LED lighting remained high, so plant factories mostly use fluorescent tubes or high-pressure sodium lamps, with the decline in LED prices and technological improvement, the application of LED in plant factories has seen a new wave of progress. At present, there are not many manufacturers engaged in LED grow lights in China, most of which are concentrated in Shenzhen.