... will not stink and hurt human skins like traditional acupuncture methods using silver needles.During diagnoses, the LCD displays ... "Yin/Yang" of bodies, curing internal diseases by external acupuncture methods.2.Main Function:(1) Diagnosis Therapy, as your ... (4) Low frequency cure function, Simulation treatment mode: Hammering,Acupuncture,Naprapathy,Cupping,Scraping,Massage etc. Acupuncture Pen