Technical parametersPrint speed :3-5 characters / sec; Print depth :0.01-2mm;Print: any size English characters,Website: , numbers, graphics;Photo Editor: serial (serial number) is automatically printed, stored, re-number prompt, bar code input and output print;Print Material: HRC60 hardness of the following types of metal or non-metallic workpiece;Flat-screen print range: 100mm*80mm 120*20mm or custom sizes;The accuracy guarantee: 5 years of continuous work the font precision error ≤  0.001mm;Working gas source: 0.4 to 0.6 Mpa, 3L / S;Operating voltage: 220VAC 50Hz;Total power: 400W;Weight: About 3.5-25kg .