-Built-in thermal Printer -3.0 MP Camera -1D&2D barcode scanner -GPRS + Wifi + RFID - ... communicationGPRS + WifiScanner2D scannerCamera3 megapixelBuzzeryesRFID13.56 MHzBuilt-in printer58mm thermal printerpaper roll diameter:20 mmSIM card1PSAM card1ChargingMini usbCertificate3C,IP54Li- ... adapter handheld PDA with touch panel,built-in thermal printer,camera,RFID,gprs,wifi,1D&2D barcode scanner pos ...