CE,FDA. easy to operation to mark on metal materials like stainless steel, iron sheet, auto parts by serial number, vin, barcode Discription Parameter BMQ0814 Option Marking Range 80mm×140mm 40mm×80 mm 140mm×200 mm140mm×140 mm200mm×200 mmMarking speed range:10~100 words/min Marking depth range0.05 ~ 1.0mm Compressed air pressure required0.4~0.8MpaSystem functions1.Character input, editing, ...