Gold Recharegeable Electric derma pen Dr.pen M7 ( it has two types, one is rechargeable, another is just with electricity plug) Each dermapen comes with 2 needles. 5 speed control Rechargeable Built-in battery High quality + Fast RPM Nice mini box + Travel case Replaceable needle cartridge Needle:1/3/5/7/9/12/36/42 needle, Nano needle Dr.pen (Advanced skin needling) Minimised epidermal damage means less pain and bleeding Easy to manoeuvre around all facial contours Because of vertical delivery, needles easily penetrate scar tissue without risk of bending Advantages: Visual and noticeable improvement in a few days from the first treatment. Short healing time. No permanent damage or injury. No bruising, infection, discoloration or other complications. Extremely high absorption of any active ingredients. Almost all skin types can be treated. Thickens the dermis without damaging or removing epidermis.