JCONLY Epoch Wireless Pen machine with 2 Battery Pack with newest colorful smart LED screen , make tattoo artists to be more convenient and effective to customize the mode they need. It can quickly adjust the Liner/Shader mode, the voltage and Hertz required by the tattoo artist. In order to meet needs of different tattoo styles. We have total of 7 Strokes , the battery can rotate 360 degrees, which is convenient for the tattooist to better check the smart screen, so as to adjust the mode in a timely manner. Battery life is 2000MAH, which can keep stable working time for tattoo aritst, we hope to make more art happen by all of artists who can use JCONLY Epoch Wireless Pen machine .