1. Best Samsung LM301B/ LM301H LED Chip offer high yielding 2. IP65 waterproof silicone coating. 3. Samsung Normal Spectrum: Full Spectrum, 660nm+730nm, 660nm+730nm+385nm. 4. Applicable to diversify greenhouse vegetables, flowers and plants for cultivation lighting 5. Color control dimming separately: 3 dimmers, one MEAN WELL HLG power supply to control white light, one MEAN WELL ELG power supply to control red light (including 660nm and 730nm), and one domestic power supply to control UV (UV light due to its low power. The power supply has no suitable model, use Domestic power supply.