PDA Thermal Receipt Printer 5.5in IPS Screen Handheld Smart Machine NFC Scanning Printing for Android 6.0 100‑240VAC US Plug Item Type: PDA Thermal Receipt Printer Processor: For ARM Cortex A53 quad core 64 bit 1.3GHz high performance processor Operating System: For Android 6.0 Memory: 16GB ROM and 2GB RAM Expansion Slot: Micro memory card(not included)(up to 64G) Display: 5.5in IPS(720x1280) HD screen Camera: 8MP autofocus with LED fill light(the system comes with the camera only displays 6MP pixels, 800MP need to download a third party camera) Printer: Built in 58mm thermal printer Battery: 1 x Polymer battery 7.4V 4000mAh 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 802.11b, g, n Bluetooth or GPS: Bluetooth 4.0, high performance GPS, AGPS navigation chip Development Tools: For Android SDK, JDK NFC or High Frequency RFID: ISO or IEC 14443A, B, ISO15693 PSAM Encryption: ISO7816 Protection Level: IP65 protection level