... SD card,serial Port,blue teeth or WiFi for optional in additional;8.Can work without PC:when use USB Flash ... function);12.Scale adjustment function:only we have this function in China.Remark:with plastic package outside when shipping , can ... plotter , platform plotter , Engraving machine , Laser plotter , Optional AccessoriesUsage:1.Cut artwork created by yourself , such as sticker,, logos and labels ...