1、Space Aluminum Alloy Frame: Tattoo pen is lightweight, will not tire the hand and can be used for better tattoo results, avoid error, and ensure accuracy. Suitable for most of cartridge needles on market. 2、High Speed Working: Tattoo pen built in strong motor, speed up to 8000r/m under 9V voltage, low noise, powerful and stable function, long time work without getting hot. 3、LED Display: Wireless tattoo power supply with digital display, allow you to easy read the voltage in time. Also power supply is small in size and light in weight, which is easy for you to carry and convenient to use. 4、Long Endurance: Tattoo power supply can be filled with 5 cells in about 2 to 3 hours according to current of different charging heads, after full charge, can be used for 3 to 6 hours, suitable for large area tattoo. 5、Applicable Crowd: Wireless tattoo power supply kit can easily manage liner and shader. Ergonomic tattoo pen provides a better user experience. Can be used on eyebrows, eyes and lips, suit for long tattoo work. Item Type: Tattoo Pen Kit with Power Supply Material: Aluminum Alloy, Electronic Components Product Introduction: 1. Tattoo pen Length: (without needle) Approx. 121mm / 4.8in Maximum Diameter: Approx. 30mm / 1.2in Material: Space Aluminum Alloy Interface: DC Interface Suitable Needle: Cartridge needles Needle stroke: 2mm Operating Voltage: 5 to 10V Working Speed: 9V 8000r/m 2. Power Supply Battery: lithium battery 1300mAh (Built in) Interface: DC Interface Input Voltage: DC5V/1A Output voltage: 4.2 to 12V (Adjustment Accuracy: 0.3V) Power Supply Size: Approx. 22 x 30 x 67mm / 0.9 x 1.2 x 2.6in Charging Port: Type C Features: Compact, lightweight, durable, fast charging Application: DC connector slider tattoo motor machine, tattoo coil machine, motor tattoo pen 1 x Tattoo Pen 1 x Tattoo Power Supply 1 x USB Charging Cable