ND YAG laser machine have many functions : tattoo/eyebrow,eyeline ink/freckles removal and skin whitening. 1064nm: wavelength: get rid of freckles and light brown spot, eyebrow tattoo, eye line tattoo, body tattoo, Birthmark and Nevus of Ota, pigmentation and age spot, nevus in black and blue or some other dark colors. 532nm: wavelength: get rid of all the above pigments but in red, brown and some other light color etc. 1320nm: Professional skin rejuvenation and deep cleaning for face , blackhead removed, skin tightening and whitening