Small size and Command list compatible with EPSON Printing Method: ThermalPaper Width: 57.5mmPaper Diameter: 55mmResolution: 203DPIPrinting Speed: Up to 90mm/sBarcode Supported: I25,UPC-A,UPC-E,EAN-8, EAN-13,Codebar,Code39, Code93,Code128,Code11,MSIFont: ASCII(12x24)Graphic printing: Direct bitmap printingPaper Sensor: Photo-sensorHead tempeture detection: ThermistorCommunication Interface: RS232 ...