Size:yearld Mid 640W yearld Mid 640W LED Grow Light ✔ 1. Why yearld is a trustworthy option for you? 1) Enjoy longer lifespan with INDUSRY TOP Samsung diodes and Meanwell driver——You aim to buy a light which is equipped with quality parts that can work for years instead of months. 2) Your beloved plants will be happier under a brighter light——Built with Samsung diodes and Meanwell driver gives you industry-top efficacy (2.5 µmol/J ) which eventually benefits your plants with more lights. 3) Run cool without worrying fan stops working——It is a nightmare for your plants to bear a broken fan. Meanwhile, fanless design focuses converting electric energy to lights instead of cooling. This little guy runs cool and barely effects room temperature. 4) Worry free with real 640W and true full spectrum——You ain't supposed to spend money on fake numbers. When we say it is real 640W, we mean it. Besides, even your plants know that white light is true full spectrum. 5) Suffer less from electric bill——LEDs benefit you with low draw from wall, you deserved to be pleased to see your happy plants. ✔ 2. What's in the box 1) yearld Mid 640W LED grow light *1 2) Adjustable rope hanger *1 3) Hanger *1 pair 4) User manual *1 5) Power cord *1 ✔ 3. Specfication 1) Light Source: Samsung LM561C + Guoren 3535R LEDs 2) Driver: Meanwell HLG-600H-36AB 3) Spectrum: 3000k white + 5000k white + 660nm deep red 4) PPF: 1600 μmol/s 5) Efficacy: 2.5µmol/J 6) Real Power: 640W 7) Input Voltage: Autosensing 100-240V 8) Dimensions | Weight : 45.28'' L x 44.49'' W x 2.36'' H, 19.40 LB 9) Canopy Thermal Management: Passive 10) Working Temperature: -20℃ ~ 35°C 11) Lifetime: > 50,000 hrs 12) Power Factor: > 95% 13) Warranty: 36 months 14) Certificate: UL 8800
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