... Device, Four Technology, Multiple Benefits for at home skin tightening machine Photon Care: Blue Light, Red LightIon Care: Galvanic ... , Microcurrent technology Specifacation: at home skin tightening machine Blue LED wavelength:405nm-420nmRed LED wavelength:630nm- ... and waveform) Features and Functions: at home skin tightening machine * 3 changeable treatment head for different treatment ...