Arena Wireless Tattoo Rotary Pen Machine + Battery

Arena Wireless Tattoo Rotary Pen Machine + Battery is a short pen machine with a 3.6mm stroke length, coreless motor, and a steady machineMachine Specifications:Motor Speed:7.5v/10000RpmStroke length:3.6mmWeight:150gWorking Voltage : 5-8vCustom coreless motor 7.5v/10000rpm, same with Mast Tour Pro tattoo machineTested lots of times then make this special custom coreless motor for this machine operating mechanism Battery Specifications:Weight: 70gDiameter: 32mmLength: 73mmBattery Capacity: 1800mAhWorking Voltage: 4-12V