Head to head · August 31, 2026
BestQool Redot S vs BestQool Redot M
The Redot S is the cheaper of the two at $129, so it wins on value if the specs are close enough for your use. The Redot M packs more emitters (220 against 105), which usually means a shorter session for the same dose.
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| Spec | Redot S | Redot M |
|---|---|---|
| Price | $129 | $209 |
| Wavelengths | 660nm · 850nm | 660nm · 850nm |
| Emitters | 105 | 220 |
| Irradiance | Brand states 72.6 mW/cm2 at the surface at level 4, the highest surface figure in the Redot range | Brand states 59.8 mW/cm2 at the surface at power level 5 |
| Coverage | 48.8 x 5.0 in belt for waist, back or thigh | 21.9 x 13.6 in wrap for shoulder, knee or torso |
| FDA status | registered | registered |
| Warranty | 1 yr | 1 yr |
| Returns | 30 days | 30 days |
Redot S
The cheapest credible red light device in the whole catalogue. Its higher surface number than the bigger Redot models reflects a smaller area sharing the output, not better engineering.
Redot M
The middle Redot size and the sensible pick for a single large joint. Contact irradiance is the right measure for a wrap, but it cannot be set against a panel's 6 inch figure.