Guides
Understand the specs before you buy
Short, honest explainers for the numbers brands hope you won't compare.
Red light therapy irradiance explained (and why brand numbers don't compare)
What irradiance (mW/cm²) really measures, why the distance it is measured at changes everything, and how to compare panels fairly.
Read →660nm vs 850nm: red light vs near-infrared, explained
The difference between 660nm red and 850nm near-infrared light, what each is used for, and whether you want a combined panel.
Read →How to choose a red light therapy panel: 2026 buyer's guide
The specs that actually matter when buying a red light panel - wavelengths, normalized irradiance, coverage, EMF, flicker, testing, and value.
Read →EMF and flicker in red light panels: what to know
What EMF and flicker mean on a red light panel spec sheet, why some buyers care, and how to check them.
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