1Unique Design: Tattoo pen body is made of aircraft aluminum alloy, strong and durable; external non slip texture strip, simple design. Ergonomic handle, comfortable grip, allowing tattoo artists to work easily. 2Strong Power: Built in hollow cup motor, strong power, 12V speed up to 10000RPM, with higher penetration, providing high frequency needle speed, fogging less skin damage, faster coloring. 3Stable Performance: Tattoo pen machine working voltage of 512V, low noise during the operation of the machine, low amplitude, which is conducive to better control of the tattoo artist. 4Accurate Control: Tattoo pen machine using high speed oil based metal wheel set, stronger torsion, low temperature does not heat, suitable for large area tattoo, create accurate lines and matte. 5Improve Efficiency: Tattoo pen suitable for 99 percent of the tattoo cartridge needles on the market. Tattoo cartridge needles out of the air hole and the body of the machine in the same direction, the whole machine out of the needle stable, more ink into the tattoo. 6RCA Interface Connector Wire: Tattoo pen machine with a standard RCA interface connection wire, unplugged firmly, not easy to fall off, stable current transmission.