... skin care -Red light,Blue light,Red&Blue light Led light facial equipment with three colours for skin care How it work? ... -For different types of skin, no side effects-Easy to use, no need of professional personnel-Comfortable, painless, non-invasive ... Wavelength630nm (red light), 415nm (blue lightPower5mW/per LED (red light),2.5mW/per LED (blue light)Customer IC CardoptionalTreatment Area190nm×65mm× ...