【Quality Diodes & High efficacy】With 1212pcs diodes (Samsung LM301B diodes+ IR), high efficacy up to 2.7umol/J. Max yield reaches up to 2.5g/W. Perfect for 120x120x200cm grow tent, 6-inch inline fan kits
【No fan design & Quality driver】No Fan No Noise. High Safety performance power supply, Fair Waterproofing. The updated aluminum board is thick and sturdy, doesn’t put out a tremendous amount of heat, and has high-quality protective covers for cables.
【Dimming daisy chain function】 Single light can be adjusted to the light intensity at liberty. Multi-light Connection with unified dimming is especially beneficial for large areas of indoor growing and commercial planting.
【Outstanding Cost Performance】SF4000 only consumes 450w, running 50% less power than the HPS or Blurple lamps, and still was 50% more harvest. The veg footprint is 150x150cm, Flowering footprint is 120x120cm.