1FASTER COLORING: Tattoo pen has a powerful motor that allows for faster coloring and reduces the chance of ineffective punctures, minimizing skin damage. 2VERSATILE DESIGN: Pen with RCA Interface is widely used in the market, ensuring stable output and versatility for all traditional liner style work and shader work. 3SUPERIOR MOTOR: Tattoo pen machine is designed with a powerful motor that delivers superior performance and power for a more efficient tattooing process. 4SLIP PROOF HANDLE: Shader tattoo pen machine is designed with a non slip design at the handle for added safety, provide a comfortable grip and ease of use. 5ALLOY MATERIAL: Tattoo pen frame is made of an alloy that provides a comfortable experience for the tattoo artist, and can be used for a long time.