Sunlike Full-Spectrum】Infinite close to natural sun light, full spectrum (3000K,5000K) + Red 660nm . Excellent spectrum optimizes the whole stages of indoor growing plant from seed to flowering. Great blue light makes plants grow faster, and the Red light is more than other LED grow lights to enhance growth at the flowering stages and get higher yields. 【High Efficiency & Low Running Cost】640W grow lights has High Efficiency Rating of PPF per Joule (Up to 2.8μmol/J @ 110V AC) with High Tech Samsung LM281B Diodes, consuming only 640w with 2590 LEDs, achieving equal or better results than 2000 watts HID grow lamp or other plant lamps with 50% less power consumption, and still has 50% more harvest than HPS lamp light. Added 0-10V dimmable knob, more flexible to obtain perfect growth performan.
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