Mast Archer S Ultra Fast Charging Wireless Tattoo Machine MASTLABS electronic control technology. Providing faster charging efficiency. Enjoy one hour of working time with just a five-minute charge. High-resolution color screen, and allowing all the parameters to be easily viewed. 0.85-inch screen displays clear and detailed images; 213ppi high-resolution screen with smartphone-level quality. MAST brand technology has accumulated various complex functions into a compact body, making the height of the body only 115 centimeters and weighing 169 grams, making work easier. Developed exclusively for tattoo artists under the MAST brand. Undergoes continuous iterations. High-performance brushless motor operating at 11500RPM (12V). 33mm diameter provides a comfortable grip Placing the battery in the handle lowers the center of gravity. Passed CEfcc technical certification, international professional recognition; Longer battery life, double of charge/discharge times than older tattoo machines; Easy to remove and replace design, you can easily remove the battery module for replacement. Specifications: Stroke: 4.2mm Speed: 12V/11500RPM Battery Capacity: 1520mAh Charging Voltage: 5V3A/9V2.2A/12V1.67A Output Voltage: 4V-12V Charging Duration＜50min Length: 115mm Diameter: 33mm Weight: 169g