This professional smp kit is designed to unleash your maximum inspiration, giving you an outstanding operational experience.This machine is integrated with a variety of working modes required by smp. There are 2 buttons on the machine: one at the bottom for precise control of each stop, and a switch at the top to adjust the length of the needle. This smp set comes with 2 needle holders that provide excellent stability while working. Powered by the mast driving system, it ensures strong power and stable operation, automatically adjusting the strength according to the person s skin type.This is an all-in-one functional pen that can be used not only for smp but also for tattoos.Package includes:1* machine1* power supply1* plug cable1* instruction1* 70 ã needles holder1* 90 ã needles holder