... ,plastic,rubber,crystal,ceramic tile,bamboo,grantile,marble,resin etc. non-metal materials.Applicable industry >Art gifts,cloth toy,marble,grantile ... :2x2mm,letter:1x1mmOperating temperature:5oC-35oCResolution ratio:4500dpiControl configuration:DSPData transfer interface:USB(offline)System environment:WINDOWS 2000/WINDOWS XPCooling way ...