<b>Rotary Tattoo Pen Machine</b> <br>.Tattoo Rotary Machine Frame:CNC-Machined Aluminium <br>.Operating Voltage:5-10V <br>.Start Voltage:3.5V <br>.Rpm Range:10800rmp <br>.Needle Protrusion:0-4.5 mm <br>.Dimensions:Diameter x Length:32x142 mm <br>.Net Weight:197g