• Professional 87-piece kit including wireless machine, 20 cartridge needles, practice skin, exercise inks, and accessories. • Features 7 adjustable stroke levels from 2.4 mm to 4.2 mm for precise lines, shading, and detailing. • Includes two 2300 mAh high-performance batteries with USB-C fast charging and up to 8 hours of autonomy each. • Versatile operating modes with normal and dotwork modes for realism, geometry, and soft shading techniques. • LED screen with integrated session timer for precise tracking of work duration and workflow management. • 9-stage voltage setting between 4-12 V with ±0.1 V adjustments for total control over performance. • The set comes complete with stencil paper, ink cups, table covers, and extra grips, ideal for beginners and professionals.