... blood circulation, improve skin moisture, THERAPEUTIC THEORYLED with gene-type chip, its purity overpasses 99% of short-spectrum red, ... Easy maintenance, no any requirements to therapeutic place.12. New-type light source, high-luminance and high power illuminant.TECHNICAL ... INDEXType of the light source: LED gene-type biologic wave light;Wavelength of outputRed light: 640nm±5nm; ...