WIRE AND CABLE MODES: Switch between wire and cable modes for added flexibility; and convenience. Ergonomic Design: Mimics the grip and feel of a real pen for a comfortable, non-slip tattooing experience. WIRED OPERATION: Enjoy the freedom of the pen. of movement with the direct wire drive system, perfect for indoor and outdoor tattoo sessions. POWERFUL AND QUIET MOTOR: High-speed motor disc-style vertical bearing that operates at voltage ranges from 5 to 5 12V for deep, even penetration, delivering long-lasting results. Precise CNC Carving: Made with precise CNC technology and made from durable aluminum alloy for a sturdy and durable tattoo pen. Specification: Item Type: Thread Tattoo Pen Kit Material: Aluminum Alloy, Components ;electronics Machine size: With wire feed: approx. 143 x 32 mm / 5.6 x 1.3 inches With conversion head: approx. 95 x 32 mm / 3.7 x 1.3 inch Storage box size: approx. 180 x 120 x 60 mm / 7.1 x 4.7 x 2.4 inch Battery: Built-in 1800 mAh lithium battery Craft: CNC carving Light stroke Needle: 3.5mm Motor: Disk-style vertical bearing Motor Battery interface: Type-C (USB C) interface Running time: battery output current is 2.0 A and can operate continuously for 6 to 10 minutes. 9 hours. Charging time: approximately 3 -5 hours for a full charge. empty Adjustable battery voltage range: 5-12V Voltage setting accuracy: Short press: 0.1V Press long: 0.5V OLED screen display content: output voltage, working time, remaining battery level Structure: stylus pen structure; built-in lithium battery, built-in lithium battery, rotatable and removable battery Needle: universal 99% of tattoo needles cartridge on the market Instructions for use: Wire operation: 1. Install the battery and tattoo needle and adjust the needle length. 2. Long press the power button to turn on/off the machine, and short press the power button to pause/resume the operation. 3. Briefly press the « + » “- » to adjust the voltage by 0.1V, and long press the « + » “- » to adjust the voltage by 0.5 V. The voltage can be adjusted in the range of 5 to 5 V. 12 V. Conversion head: 1. Remove the battery and replace it with the conversion head. 2. Connect the clip cord Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.