Spiderfarmer SF1000 grow plant light grants an optimal full spectrum light, white, blue, red, and IR 3000K, 5000K, 660nm, and IR 760nm, IR is dimmer than other red diodes. Ranging 3000K provides reddish light and 5000K blueish. The 660nm red and IR light is particularly effective in the bloom stage, where it increases speed in flowering time and boosts yields.