1、High Speed Motor: Equipped with a high speed magnetic motor, it offers a strong and consistent force, resulting in faster tattooing and reducing the potential for skin damage. 2、Needle Adjustment: It features a dual steel ball lock design, providing stability and precise needle adjustment. This enables to fine tune the needle depth for different tattooing techniques and ensures accurate results. 3、Aluminum Alloy: It is constructed using well quality material, ensuring its durability and providing a lightweight and comfortable grip. The compact design allows for easy handling and effortless operation. 4、Adjustable Voltage: It includes a power supply with adjustable voltage ranging from 3V to 12V,. With a voltage adjustment accuracy of 0.1V, artists can achieve precise control for optimal results. 5、Uasge: It is compatible with most tattoo cartridges available in the market, making it easy for tattoo artists to use their preferred needle sizes. It comes with an RCA interface, allowing for both wired and wireless operation. 6、Complete Kit: It offers a professional and comprehensive set of tools, suitable for both experienced tattoo artists and beginners. It provides excellent value for moneye. Item Type: Tattoo Pen Wireless Power Supply Kit Material: Aluminum Alloy, Electronic ComponentsDescription: 1. Tattoo Pen Needle: Used for most tattoos on the market a body needle Interface: RCA interface Tattoo Pen Size: Length (without needle) : Approx. 94mm / 3.7inDiameter: Approx. 32mm / 1.3in Length: Approx. 3.5mm / 0.1in Needle Length: 1‑4mm / 0‑0.2in Working Voltage: 6-9V, do not overload for a long time Voltage Speed: 9000-12000RPM 2. Tattoo Power Supply Size: Approx. 70 x 30mm / 2.8 x 1.2in Battery: Built in lithium battery 1500mAh Output Voltage: 3-12V adjustable, adjustment accuracy 0.1V Power Port: RCA port Charging Interface: USB Type C Charging Voltage: DC5V /1A Charging Time: 2-3 hours Endurance Time: under full charge, 5V working voltage can last for 7 hours 1 x Tattoo Pen 1 x RCA Cord 1 x Wireless Tattoo Power Supply 1 x USB Cable