LED grow lights are an artificial light source. They are generally electric lights designed to stimulate plant growth by emitting a light appropriate for photosynthesis. The primary benefits of LED over the more traditional light sources are that they significantly reduce heat and power consumption.
SinoStar now offers two types of 1:1 replacement of HPS which can be set up the same above canopy as HPS, so no need to change anything if using HPS before. It will save a lot of money, it shorten the flowering period by two weeks!