Sunshine Systems GSSPOTWHITE GrowSpot Daylight White LED Grow Light Bulb E39 Use with your current mh or hps lamp to dramatically increase your yield Daylight white growspot replaces a 110w incandescent Does not contain harmful metals or gasses like fluorsescent, hps and halide bulbs Use with your current mh or hps lamp to dramatically increase your yield Daylight white growspot replaces a 110w incandescent Does not contain harmful metals or gasses like fluorsescent, hps and halide bulbs GrowSpot LED grow light uses only 12 watts of power No infared or uv light making them perfectly safe for the home or classroom