This is a previously used item in good working conditions. Comes with one sealed needle cartridge only. Dr. Pen Ultima A6 microneedling pen is used mostly for face wrinkles, scars, stretch marks and facial lines. Dr. Pen uses sterile, individually-sealed, disposable needle cartridges for optimal safety and comfort. The adjustable dial allows treatment that adapts to individual client’s needs. (Notice that the maximum depth depends on your cartridge's type) Dr. Pen is more economical than derma roller, you just need to recharge the pen and replace cartridges after every use. Come with two replaceable batteries for Dr. Pen Ultima A6. Both wired and wireless can be worked. (26)