LOWER RUNNING COSTS & HIGHER-QUALITY YIELDS: SPIDER FARMER LED Grow Lights utilize the latest in high yielding LEDs technology today-Samsung LM301B diodes, high Energy Efficiency with 2.7 umol/J, create the better canopy light penetration. SF2000 only consumes 200w, running 50% less power than the HPS or Blurple lamps, and still was 50% more harvest. Veg footprint is 3 x 4 ft, Flowering footprint is 2 x 4 ft.