TATTOO KIT PACKAGE: This Complete tattoo pen kit includes a tattoo pen, RCA cord, tattoo power supply, tattoo foot pedal, tattoo inks, cartridge tattoo needles, and other tattoo accessories | ROTARY TATTOO PEN: 1 piece tattoo pen with an RCA interface, that runs smoothly and almost silent, which can meet all your tattoo needs; It can also be used on permanent makeup; Needle protrusion: 1 - 4mm; Length of the stroke: 3.5mm; We suggest using 6-8V to run this tattoo pen, which will be more efficient; This tattoo kit is a good gift for tattoo artists and beginners can also be bought as a birthday or anniversary gift | HIGH-QUALITY CARTRIDGE NEEDLES: 10pcs Wormhole tattoo cartridge needles(3RL, 7RM, each model for 5 pcs) to provide you with tattoo accessories to complete more and better tattoo works | BEGINNER FRIENDLY: You will get an Online guide on how to set up the tattoo kit. If you encounter any technical problems while using this tattoo kit, welcome to contact us, we will provide you with one-to-one guidance until you can successfully use this tattoo machine kit | SATISFACTION GUARANTEE: If you received a tattoo kit with quality problems or have something missing please feel free to contact us; We will send you a brand-new replacement and you needn't return anything