High Energy Efficiency with 2.7 umol/J, only consume 200w, but has same yield as fake 1000W 1200W Blurple led growing lights. SAMSUNG LM301B Diodes - the highest light output LED available at present, create the better canopy light penetration, get 40% higher yields with less energy compared with other red blue lights. No Fan ZERO Noise, large areas of solid aluminium heat sink, special protective covers for cables, waterproof LED board. 50% longer lifespan compare with other brand lights.