... for nonmetal material.Especially in marking acrylic, glass, stone,bamboo,resin,plastic,rubber,paper,leather,electronic parts,IC, ... depth(depend on the material)≤1mm≤3mm≤5mm≤8mmMain Machine Power1KW1.2KW2KW4KWLaser wavelength10640nmBeam Quality(m2)≤6Laser Power Instability≤±1 ... Voltage220V±10%/mono-phase/380V/three-phase/50HzCooling Machine Power2PCooling ModeOutside Water Cooling Artwork engraving ...