Description:RX-TP50 Adjustable Spectrum Top Light Grow Light, Channel 1, red and blue 9:1, used for seedlings and vegetative growth period; Channel 2: far-red light, which can be gradually turned on during the flowering period of crops; for vegetable planting, flower planting, ornamental plant planting, succulent plant planting. 13 years of experience in the design and manufacture of plant lights, can customize the spectrum you need