Best Full Spectrum LED Grow Light IR UV 

What is the LED lenses?Lenses can affect how the light is distributed across the footprint and how well that intensity holds at particular heights.Lenses create a more concentrated footprint.Fixture with no lenses have a more diffused footprint. High-quality light diodes Samsung Osram Seoul... PPE up to 2.9umol/J.The diodes are with lenses. Scientific bead ratio, full-spectrum including 3000K+5000K+660NM+SUNLIKE UV&IR.  Dual-use, extend or retract, freely adjust the light bar spacing to form different PPFD（photosynthetic photon flux density ）, different coverage area and footprint. PVISUNG 5 BARS LED GROW LIGHT/7 BARS LED GROW LIGHT Original creative extend-retract frame, out of the ordinary. Lightweight structure, less 30% weight and 50% packing volume compared to other competitive products on the market. Saving more about 50% space, saving more about 50% transportation cha…