Product Comparison
![Comparing HLG 550 V2 Rspec and HLG 550 V2 Full Spectrum](http://horticulturelightinggroup.com/cdn/shop/articles/HLG_compare_550_V2_Rspec_550_V2_Full_Spectrum_{width}x.jpg?v=1641236140)
How to choose between the HLG 550 V2 R-Spec vs. the HLG 550 V2 Full Spectrum high intensity and ultra high efficiency commercial indoor horticulture LED grow lights.
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![Comparing HLG 550 V2 and HLG 550 V1](http://horticulturelightinggroup.com/cdn/shop/articles/HLG_compare_550_V2_550_V1_{width}x.jpg?v=1641236091)
Lab reports HLG 550 V2 Report HLG 550 V1 Lumens Report HLG 550 V1 PPF Report Summary for HLG 550 3000K HLG 550 V2 offers more light output with almost 35 watts less power consumption. HLG 550 V1 is...
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![Comparing HLG 65, HLG 100 and 135W kit](http://horticulturelightinggroup.com/cdn/shop/articles/HLG_compare_65_100_135W_kit_{width}x.jpg?v=1641236011)
PPFD Charts
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