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 312V 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 kitMaterial: Aluminium alloy, electronic components1. Tattoo penNeedle: For most of the tattoo one piece needle on the marketInterface: RCA interfaceLength (Without Needle): Approx. 115mm / 4.5inDiameter: Approx. 28mm / 1.1inStroke: 2.5mmCurrent: 1AWorking Voltage: 5-9V, do not work for a long time overloadedSpeed: 6000-12000RPM2.Tattoo power supplyProduct Size: Approx. 70 x 30cm / 27.6 x 11.8inBattery: Built in lithium battery 1500mAhOutput Voltage: 3-12V adjustable, adjustment precision 0.1VPower Supply Interface: RCA interfaceCharging Interface: USB Type CCharging Voltage: DC5V /1ACharging Time: 2-3 hoursDuration: Under full charge, 5V working voltage can work continuously for 7 hoursColor: Red.Package List:1 x RCA Interface Tattoo Pen1 x RCA Clip Cord1 x Wireless Tattoo Power Supply1 x USB Charging Cable