... easy to use SH-690 laser cutting and engraving machine Applicable mateicals >Plexiglass,acrylic,wooden board,plastic,rubber,crystal,ceramic tile,bamboo,grantile ... :5oC-35oCResolution ratio:4500dpiControl configuration:DSPData transfer interface:USB(offline)System environment:WINDOWS 2000/WINDOWS XPCooling way:Water cooling and protection ...