LED red light therapy professional machine 1) for face, hair ... for any kind of skin 3) 1420pcs SMD LEDs LED red light therapy professional machine How does it work?Bio- ... light source for clinical treatment; (Red, Blue, Yellow, Red+Blue, Red+Yellow, Yellow+Blue,Red+Blue+Yellow)2. Non-risk of ... range of applications for clinics or beauty salons; Specifications: LED colors Red, Blue, Yellow, R+B, R+Y, B+Y ...