Tattoo pen machine built for precise control, reliable performance, and wide compatibility. Ideal for artists who need a lightweight, durable tool that runs cool and delivers consistent strokes for lining and shading. Key benefits Precise control and low noise: Working voltage 512V produces small amplitude and quiet operation, making it easier to control lines and detail work. Do not operate above 12V to extend service life. Strong, consistent power: Builtin coreless motor delivers up to 10000 RPM at 12V with 5W output and a 5.0V starting voltage for dependable performance across a range of voltages. Long run capability: speed oily metal wheel set and effective torsion keep the unit cool and stable during extended use. Broad cartridge compatibility: Needle head design fits approximately 99 percent of tattoo cartridge needles on the market, ensuring consistent alignment between cartridge and machine body for smooth strokes and steady ink flow. Comfortable, durable construction: Aluminum alloy body is lightweight and robust. Nonslip texture strip on the exterior improves grip and handling for prolonged sessions. Secure connection: Standard interface cable provides firm unplugging and stable current transmission to prevent accidental disconnection. Specifications Item type: Tattoo pen machine Material: Aluminum alloy and electronic components Needle compatibility: Most tattoo cartridge needles on the market (about 99 percent) Interface: Standard connection cable Length (without needle): Approx. 116 mm / 4.6 in Diameter: Approx. 30 mm / 1.2 in Stroke: Approx. 3.2 mm / 0.1 in Needle discharge length: Approx. 0 to 4.5 mm / 0 to 0.2 in Rated voltage: 8V Output power: 5W Starting voltage: 5.0V Working voltage: 512V (do not run overloaded for extended periods) Voltage speed: 12V speed up to 10000 RPM How to use 1. Install the cartridge needle onto the machine. 2. Connect the clip cord and power supply using the standard interface cable. 3. Set the power supply between 5V and 12V according to the work being performed. Do not operate above 12V for prolonged periods. 4. Confirm secure connection and test stroke before beginning work. Typical applications Lining: frequency strokes and reliable penetration support crisp, consistent lines and efficient inking for liner work. Shading: Steady torque and low heat generation allow for controlled shading during longer sessions. Touchups and detail work: Compatible with most cartridge needles and a comfortable grip make fine detail and quick adjustments straightforward. This tattoo pen machine combines a coreless motor, durable aluminum construction, and broad cartridge compatibility to provide a practical, dependable tool for professional tattoo work.