1. Good performance 2. Great compatibility with more than 30 different softwares 3. High accuracy Model                   Width              Resolution            Accuracy         PriceSignking4460C      A00                  2540LPI              0.254mm       $1600/set  Signking3648C      A0                    2540LPI              0.203mm       $1450/setSignking3648S      A0                    2540LPI              0.127mm       $1600/setSignking2436C      A1                    2540LPI              0.203mm       $1300/setSignking2436S      A1                    2540LPI              0.127mm       $1450/setSignking1824C      A2                    2540LPI              0.203mm       $820/setSignking3DTAB     A2=                  2540LPI              0.127mm       $720/setCursor: 16 button cursorInterface Cable: RS232Baud rate: 150,300,600,1200,2400,4800, 9600,19200Output formats: More than 30 international standards, including 20 kinds of ASCII and 11 Binary.Operationg modes: Point, line, continuous, line incremental, continuous incremental, remoterequest.Power supply: 220v/50HZ, 110v/60HzSoftware available: AutoCAD, Mapgis, Optitex, Cyber, GMCAD,ViewGis, DOCAD, TAJIMA, GERBER, LECTRA, ASSYST