1.ALL IN ONE design 2.RFID cards/tags,barcode scan, fingerprint,WiFi/GPRS/GSM/Bluetooth/PSAM/GPS/Camera/IP64(dust ... RAM/1GB Flash,Expansion Memory:4G TF (standard), maximum 32GInterfaces: USB 2.0, RS232Physical characteristicsScreen: 3.2" QVGA backlight TFT-LCD ... ), QXGA6. All alphanumeric keypadStandard Accessories4,000 mAh Li-ion battery, Usb cable, RS232 serial cable, Touch stylus, 4G microSD (TF) ...