Function: Facial skin anti-aging, wrinkles,acne marks, acne scars removal, strech marks remvoal,little scars removal, skin lifitng and tightening. Advantadges: 1.Imported Stainless steel needle from Japan,32G,best size for skin treatment. 2.The motor in the handle imported from Korea,ensure the stability of the needle treatment. 3.Unique Vacuum function, automatic needle out,ensure the evenness of each needle. 4.Needle body insulated, needle top noninsulated, reduce energy lossing, and won' t hurt skin epidermis. 5.Needles each have QR code, it's safe for the customer. 6.OEM for screen boot up with customer's logo.