The Yearld Pro 660w is features an industry top efficacy for more lights and less heat —— equipped with Samsung diodes and Meanwell driver, resulting in an efficacy of 2.6 µmol/J and a 1794 μmol/s PPF which benefit you with more lights, less heat, lower electricity bill.
3920k white true full spectrum enhanced with 660nm red provide plants in all stages from seedling to harvest with everything they need in the natural sunlight which results in bigger buds and higher yield.
yearld offers a 5-year warranty for this product.
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