Product Details QUATAT S1 Stroke: 3,5 mm Aircraft CNC aluminum Connection: RCA Propulsion: High Quality Coreless Precision Motor. PRM range: 8V-9000rpm Running Volt :1.5v working volt :5-8v Max volt:9v Compatible with Cheyenne Cartridges and most of the cartridges in Market. very powerful machine smooth shading , lining and color packing الحالة جديد النوع العناية بالبشرة