We have in total FOUR light modes -Anti Aging RED (625-700nm): Renowned for speeding up collagen synthesis and enhancing cell repair. It helps smoothen facial wrinkles & fine lines. -Anti Acne BLUE (440–500nm): Scientifically proven to kill the acnes bacteria on the surface that’s most commonly responsible for the breakout. -Redness Reducer YELLOW (565-590nm) : Helps reduction of the appearance of dark spots and calms swelling and inflammation. -Cell Rejuvenation PURPLE (400-420nm): Increases cell regeneration and renewal, especially in healing and repairing acne scars.