Dragonhawk Mast Wireless Battery Pen Tattoo Rotary Cartridge Pen Machine with LED Display Accessories for Tattoo Artist

Specifications: Battery Capacity : 2000mAh Recharging Time : 2 hrs Powerpack Working time : Approx. 6 hours Output Voltage : 5V to 10V Stroke Length : 3.5mm Needle protrusion : 0-4.5mm For lining : 7.5V-9V For colour packing /shading : 6V-8V RPM: 8000-10000