... CQC, ISO 4.Marking pictures/letters Barcode Laser Marking Machine / Barcode Laser Marker Components1.Main: Control system, display, ... cooling system, table board, laser tube.2.Components: Laser power, laser generator, Q switch, crystal bar, Laser Beam Expander, optic system, ... ±0.005mmPower SupplySingle-phase AC 220V/3-phase AC 380V (adjustable)Supporting formatBMP, GIF, JPG, PCX, TGA, TIFF, PLT ...