Red vs Near-Infrared: What the Wavelength Numbers Mean
Device specs quote wavelengths in nanometres (nm). We explain the difference between visible red (around 620–680 nm) and near-infrared (around 800–1,100 nm), and why the numbers on a box are only part of the story.
This article is in preparation and will be published once it has been checked and approved.
Want to try red light properly? Book a full-body bed session in Harlow (30 minutes, £49).
