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. Full Spectrum 500W Led Grow Light, Led Grow Light Flower , T8 Led Grow Light , Led Panel Grow Light ,Grow Light Cannabis . Compared with traditional lighting, the advantages of LED indoor lighting plant lights are embodied in the following aspects: The product will supply to all over the world, such as Europe, America, Australia,Slovakia, UK,Gabon, Netherlands.Not long ago, Taga City, Miyagi Prefecture, Japan, publicly demonstrated the world's largest LED (light-emitting diode) artificial phototype plant factory to the media. The plant, called Miraihata covers an area of about 2,300 square meters and uses 17,500 LED lights, which can be produced throughout the year and is expected to harvest about 10,000 lettuce trees per day. Not long ago, Fujitsu also announced that after about a year of preparation, low-potassium lettuce produced in its own plant factory began to be put on the market.