Product Description Product Name:Rocket tattoo machine Material: space aluminum Operating voltage: 6-8V Needle protrusion: 0-3.6mm Connection: RCA interface Speed: 9000Rpm Size:27.5*62.8mm Features of Tattoo Pen 1.This rocket rotary tattoo pen is designed to give you the next feel to an actual pen that you can receive with a tattoo machine. You can do this pen tattoo, permanent eyebrow makeup, lips line, eye line,All in one tattoo machine. 2.This tattoo machine compatible with almost brands power supplies and cartridge needles types. 3.Great for lining and shading 4.more powerful,lightweight. low-noise. 5.Please keep the tattoo pen working under 12V to protect the rotary system and the motor. Specifications of rocket battery Material: space aluminum Output voltage: 6 7 8 9 11v Input voltage: DC5V/1A Charge mode: Type-c quick charge Connection: RCA Battery capacity: 1200mAh