1.permanent hair removal 2.skin rejuvenation 3.tattoo removal 4.skin tightening 5.3 years' warranty Double Screens E light (IPL&RF) + Bi ... Spots removal,freckle removal3.Skin lifting,skin tightening,skin rejuvenation,4.Skin whitening, wrinkle removal, recon tour5.Facial curves, shrink ... 690nm(optional) Operating interface E-light:8.4" True color touch screen Laser 5.1'' Display screen Frequency 1,2,3HZ ...