SYLSTAR LED Grow Lights utilize the latest in high yielding LEDs technology today-Samsung LM301B diodes, high Energy Efficiency with 2.9 umol/J, delivers powerful light output and uniform canopy penetration to resulting maximum higher yields. Only consumes 200w, running 50% less power than the HPS or other SMD LEDs or Blurple lamps. Veg footprint is 3 x 4 ft, Flowering footprint is 2 x 4 ft.