Direct drive motor: The motor tattoo machine has strong power, direct drive motor, vertical eccentric shaft power output, high strength, good resilience, and good flexibility. Enough strength, stable output. Adjustable needle length: The direct-drive motor tattoo machine adopts an adjustable direct-drive eccentric shaft, which can directly adjust the needle length, which is convenient and simple. It is simple and convenient to change the needle. easy to use. Standard RCA interface: The direct drive motor tattoo machine adopts the standard RCA interface, which is suitable for the clamping of the RCA plug. Suitable for cartridge needle handle or ordinary handle. Versatility: The tattoo motor pen has lining and shader functions to help create exquisite tattoo designs. Can be used for tattoos, full body tattoos, linings and shaders, etc. High-quality and durable: The electric tattoo machine uses high-quality alloy materials, which is safe and environmentally friendly, sturdy and durable. Excellent workmanship, good wear resistance, no deformation after long-term use, and durable.