The Secondary Optical Design: PPF: 103 μmol-s, PPFD: 350.3 μmol-s-㎡-1ft, this plant grow light can provide 6100 lumens using only 70 watts of power, equivalent to 700W incandescent bulbs, based on 18 hours per day usage, save up to 90% electricity, annual estimated cost 45.99 USD.. Imitate The Solar Spectrum: Actualize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm, suitable for every cycle of plant growth…