Main Technical Data: laser medium Nd : YAG frequency of acoustic-light adjustment less than 50KHz wavelength 1064nm maximal laser power 50W-60W marking speed less than 7000mm/s minimal marking line width 0.02mm marking depth less than 0.3mm marking scope 70x70mm/100x100mm marking content characters & pattern power supply three phases and four wires , 220V , 5KVA size length, 1550?50?100mm