SMD2835 Led+Chips 2020 2835 UPDATED SMD Diodes, Higher light intensity, Less light decay, Better lumens and PAR values output. For maximum uniformity, hang the fixture 24-36 inches from the crop.The 4 passively cooled bars provide full-spectrum, broad-coverage light for full-term growth Full Spectrum+Dimmable 0-10v Professional proportional spectrum that is more suitable for plant growth (380nm-800nm) Blue, White, Red and IR, providing more effiecient light for indoor plants.It is perfect for all stages of growth of indoor plants, vegetables and flowers, from seeds to harvest. MORE DEEP RED LIGHT 660nm This is the NO.1 factor that affects your palnts growth. equiped with high-precision 90-degree lens and reliable SMD LED Tech together, which can make sure 98% light souce can.