Swiss motor make the machine works powerful and smooth, almost no noise This machine also work for Micro Mesotherapy with a special Meso-Needles The machines use cartridge needles, Clean and safe, The needles output size max. to 3-4MM It provides enhanced power and precision for optimum pigment penetration and long lasting results Built-in hard and fixed slot, the needle length is adjustable, save your operation time, reduce the pain of the gusts.