... (illustration),CAD,CORELERAW;7.More Interface:USB,SD card,serial Port,blue teeth or WiFi for optional in additional;8 ... poster penDrawing instructionDM-PL/HP-GL Automatic IdentificationInterfaceUSB/ SDcard/ serial portPower supplyAC110V /220V±10%,50Hz/60HzPower consumption<120Wworking environmenttemperature:+5 ... Construction: TH740L Larger Format730mm Contour cut Cutting Plotter,laptop cutting plotter