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Penetration depth
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Penetration depth:

     Decided to ordinary light penetration depth is wavelength or band, the longer wavelengths penetrate deeper, the shorter the wavelength the more light to penetrate the deepest penetration of less than 4mm. The laser therapy depending on the light penetration depth RF (radio frequency) of the penetration depth, according to this principle, the laser therapy treatment system according to the type of rationally designed therapeutic purpose treatment head, such that the penetration depth the laser therapy to fully meet the requirements for the treatment of the deepest penetrates. The subcutaneous is 15mm, further ensures the effectiveness of treatment.