Information: Mast Archer wireless rotary tattoo pen machine has visible LCD voltage screen, easily adjustable voltage. Frame made of standard aluminium alloy and CNC carved. Weight: 186g, length: 132mm, diameter: 32mm. Assembly by hand, one piece body and seamless, effortless to cover and protect. Custom Motor: The Archer wireless pen used with custom Mast coreless motor, 12V-10500rpm. This special motor does not require maintenance, smooth speed change, almost no vibration. Most reliable motor for Archer machine. Mast Archer Advantage: One piece body seamless, fast charge with Type-c jack, 2,000mAh built-in battery working 8 hours, overcharge protection, short circuit protection, temperature control, and more. Powerful custom motor and no maintenance. Suitable weight and comfortable grip. Widely Applications: Archer pen compatible with all sizes cartridges needles, advanced gear system that smooth, soft, and quiet operation, Ideal healing results. Gently and smoothly transfers ink to skin; suitable for all skin types. What You Get: Custom motor Mast Archer wirless rotary tattoo pen machine, USB cable fast charging, welcome guide, one year warranty, and friendly customer service.