DON'T BUY!
It BARELY works.  It makes your skin SORE, HURTS terribly and then it put slits in my skin.  The slits in my skin from (Epi Smooth) was bleeding. I had to put peroxide for the bleeding (so I don't get infected), then Neosporin (gel antibiotic) to soothe the sting. - They don't supply the batteries either.
Rating: 1 stars