PDA Terminal 5.5 Inch IPS Screen Handheld Barcode Scanner Thermal Printer with Data Connection NFC Scanning 100‑240VAC US Plug Item Type: PDA Terminal Material: ABS Processor: ARM for Cortex A53 quad core 64 bit 1.3 GHz high performance processor Operating System: For Android 6.0 Memory: 16GB ROM 2GB RAM Expansion Slot: Micro storage card (up to 64G supported) (card not included) Display Screen: 5.5 inch IPS (720 x 1280) high definition screen Camera: 8MP, autofocus, with LED fill light (the system built in camera only displays 6MP, a third party camera needs to be downloaded for 8MP) Printer: Built in 58mm thermal printer Battery: Polymer battery 7.4V 4000mAh x 1 (built in) Mobile Data Communication: WCDMA: 850 900 1900 2100MHz CDMA EVDO: 800MHz GSM: 850 1800 1900MHz LTE TDD: B38 B39 B40 B41 LTE FDD: B1 B3 B5 B8 WiFi: IEEE 802.11 b g n Bluetooth GPS: Bluetooth 4.0, high performance GPS AGPS navigation chip Development Tools: For Android SDK JDK NFC High Frequency For RFID: ISO IEC 14443A B, ISO15693 PSAM Encryption: ISO7816 Protection Grade: IP65 protection grade