【Lower Cost & High Efficiency】PL4200 is a high efficiency energy saving plant grow light, PL4200 with Samsung LEDs consumes only 420W true output, running 50% less power than the HPS or other SMD LEDs or Blurple lamps, but the yield is higher. Greatly reduce your electricity bill. 【Latest Samsung Diodes Technology】OPPRUI PL4200 use high-performance latest LED technology to provide the highest PAR/LUMEN output up to PPFD 2312μmol/m²s@12", Perfect for veg coverage 6x6ft and flower coverage 5x5ft, Product size 23.1 x 19.3 x 3.2 inches. It has 890pcs Samsung LEDs can provide better light efficiency than other brands. More advanced technology, better efficiency. 【Sunlike Full Spectrum LED Light & Dimmable Function】OPPRUI PL4200 Brightness can be adjusted from 0 to 100%, full spectrum is composed of 3000K warm white, 5000K natural white, 660nm red light and 730nm IR light PPE 2.3 umol/J. Infinite close to natural sunlight, suitable for all plants at all stages indoor growing, speed up the plants from seed to flower, achieve maximum quality and quantity, much better than traditional HPS grow light, HID lamps and other plant lamps on the market. 【Unique Patented Design】Screwless waterproof surface design elegant and safer, No fan noise free sleep friendly, Special aluminum plate combines high reflection and fast heat dissipation, Stable and low-consumption driver, 4 colors high efficiency Samsung LEDs, Electrothermal separation unique bracket safe and heat dissipation. 【OPPRUI Guarantee】We are confident to promise each of our plant grow lights has passed the indoor planting test successfully in our American local laboratory farm, in order to really make you a good harvest. We offer lifetime local after-sales service and professional guidance to help your plants grow better, Please feel free to e-mail us.