???????????? ?????? ??????????????: This Complete tattoo kit includes wireless tattoo pen,tattoo inks, cartridge tattoo needles, Tracing paper,Magic tape and other tattoo accessories. ???????????????? ???????????? ??????: 1 piece tattoo pen which works with battery and also comes with RCA interface, runs smoothly and almost silent, which can meet all your tattoo needs. It can also be used on permanent makeup. Needle protrusion: 0 - 4 mm. Length of the stroke: 4mm. We suggest using 6-8V to run this tattoo pen, which will be more efficient. ???????? ?????????????????????? ??????????: The coreless tattoo pen has a built in high performance motor with stable needle ejection and fast speed. ?????????????? ????????????: The tattoo pen has a display screen function, you can see the real time voltage situation, and the adjustable voltage is 5?12V ???????????????????????? ??????????????????: If you have any quality related problems with Tattoo Kit or have something missing please be free to contact us.Contact us on:9711628294.