Professional Rotary Tattoo Machine & Permanent Makeup Pen Kit with Rechargeable Battery Set - Perfect for Tattoo Artists, Microblading & Cosmetic Tattooing

About the rotary tattoo machine pen machine: Net Weight: 127g.Machine Length: 85mm.Machine Diameter: 32mm.Needle Protrusion: 0 up to 4mm.Stroke Length: 3.6mm.Continuous, quiet, and gentle operation.Custom coreless motor, import from Germany.Durable machine with pen-like design, Flexible and lightweight for every style Gently and smoothly transfers ink to skin; suitable for all skin types. Effortless to cover and protect Efficient cartridge change and replacement. Compatible with all standard power supplies and wireless power battery.About The battery: Output short circuit protection & Input double charging protection 1. Press and hold the power button for 2-3 seconds to turn on and off 2. Click the power button 6V-11V power cycle replacement 3. Recall the memory of the last used voltage after each power-on call 10V/0.02 seconds. 4. When the power is working, it will automatically jump to the battery capacity display, and the indicator light is in the breathing state. 5. The five indicators represent 20%-100% of the power. Then click the button to automatically return to the adjustment voltage state 6. When charging, 5 indicators are showing the capacity status. When full, the indicator light is always on and the overshoot protection is entered.