1.LCD:2.8inch 2.Cable MODEM, GPRS, CDMA,Ethernet 3.1D ... 5.USB/RJ45 port 2.8 Inch LCD POS with Pronter/WiFi/Ethernet/USB/BarcodeFeatures: 1.LCD:2.8 inch TFT QVGA2.18 ... 30 mA ~ 200mA, standby current 30 MA, Print average current 1 A.Port1 RJ-45, 2 RJ11 or RS-233Serial download ... /3 (option), ISO 7812-2,Contactless card ISO14443A/B,Mifare 1,S50,S70,etcIC Card ReaderCan read and write an agreement ...