Greenfingers 1000W Grow Light LED Full Spectrum Indoor Plant All Stage Growth1000W LED Grow Light Full Spectrum The Grow Light is designed to stimulate plant growth by emitting a light appropriate for photosynthesis where there is either no naturally occurring light, or where supplemental light is required. It provides a light spectrum similar to that of the sun and outdoor conditions are mimicked with varying colour, temperatures and spectral outputs from the grow light, as well as varying the lumen output (intensity) of the