Features1High 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. 2Needle 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. 3Aluminum 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. 4Adjustable 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. 5Uasge: 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. 6Complete Kit: It offers a professional and comprehensive set of tools, suitable for both experienced tattoo artists and beginners. It provides excellent value for moneye.SpecificationItem Type: Tattoo Pen Wireless Power Supply KitMaterial: Aluminum Alloy, Electronic ComponentsDescription:1. Tattoo PenNeedle: Used for most tattoos on the market a body needleInterface: RCA interfaceTattoo Pen Size: Length (without needle) : Approx. 94mm / 3.7inDiameter: Approx. 32mm / 1.3inLength: Approx. 3.5mm / 0.1inNeedle Length: 1?4mm / 0?0.2inWorking Voltage: 6-9V, do not overload for a long timeVoltage Speed: 9000-12000RPM2. Tattoo Power SupplySize: Approx. 70 x 30mm / 2.8 x 1.2inBattery: Built in lithium battery 1500mAhOutput Voltage: 3-12V adjustable, adjustment accuracy 0.1VPower Port: RCA portCharging Interface: USB Type CCharging Voltage: DC5V /1ACharging Time: 2-3 hoursEndurance Time: under full charge, 5V working voltage can last for 7 hoursPackage List1 x Tattoo Pen 1 x RCA Cord 1 x Wireless Tattoo Power Supply 1 x USB Cable