Portable Marking Machine For VIN Code Pneumatic Dot Peen Marking Machine 170x110mm ,Easy to Install

Support system: WindowsXP or Win7 system Marking range: 250*150mm or 300*200mm(Two choices) Marking depth: 0.01-0.6mm (depending on the material) Engraving speed: about 1 second 1 character (Adjustable fast and slow) Marking direction: optional upper, lower, left, right and flat sectors