Feature: 1. Lightweight: Tattoo pen machine and power supply are made of sturdy aluminum alloy, combining durability and lightweight design for easy and comfortable operation. 2. Powerful And High Speed: Tattoo pen is designed with a high speed and high torsion motor, delivering strong power and superior penetration for faster and more efficient coloring while reducing skin damage. 3. Ergonomic Design: Tattoo pen is designed with a humanized grip based on hand muscle positioning, providing a comfortable and non slip grip to minimize fatigue during tattoo work. 4. Adjustable Voltage Power Supply: Tattoo power supply offers voltage adjustment from 3‑12V with a precision of 0.1V, catering to different speed requirements for various tattooing areas. 5. RCA Connector: The standard RCA interface ensures a secure connection with most RCA interface tattoo machines, eliminating the need for extra accessories. 6. Wireless Convenience: The wireless tattoo pen and power supply kit frees you from traditional power supply restrictions. It eliminates the need for power cords, foot pedals, and hook lines, providing more convenience for tattoo artists. Specification: Item Type: Rotary tattoo pen machine kit Material: Aluminium alloy, electronic components 1. Tattoo pen Needle: For most of the tattoo one piece needle on the market Interface: RCA interface Length (Without Needle): Approx. 115mm / 4.5in Diameter: Approx. 28mm / 1.1in Stroke: 2.5mm Current: 1A Working Voltage: 5-9V, do not work for a long time overloaded Speed: 6000-12000RPM 2.Tattoo power supply Product Size: Approx. 70 x 30cm / 27.6 x 11.8in Battery: Built in lithium battery 1500mAh Output Voltage: 3-12V adjustable, adjustment precision 0.1V Power Supply Interface: RCA interface Charging Interface: USB Type C Charging Voltage: DC5V /1A Charging Time: 2-3 hours Duration: Under full charge, 5V working voltage can work continuously for 7 hours Color: Red. Package List: 1 x RCA Interface Tattoo Pen1 x RCA Clip Cord1 x Wireless Tattoo Power Supply1 x USB Charging Cable