1) Default Configuration: 1D+2D + Wifi + BT + 4G (FDD / TDD-LTE) + Phone + GPS + 8M Camera + Google Player Store 2) NFC, RFID are optional 3) Compact And Portable Ergonomic Design With Wrist Strap 4) Safedroid OS (Android 8.1) Highly Optimized Android Operating System. 5) 8.0M Mega Pixel Camera. 6) High Capacity 4200mAh Large Capacity Battery For Critical Requirements; 7) Pogo Pin Interface For Convenient Charging With Optional Charge Cradle.     Basic Parameter Dimensions 166mm(L)X77.5mm(W)X22mm(D) Weight <500g Display Screen 4.5inch IPS 480*854 px with Multi-point touch capactive screen Expand Port SIM card, micro SD (TF) Card Communication Interface Type-C USB Input Mode Standard Stylus, Handwriting, touching input or keyboard input Battery Capacity Rechargeable Li-polymer Battery 3.7V 4200mAh Frequency 8ohm 1W speaker Key Silicone keyboard Performance Parameter OS Android 8.1 CPU ARM CORTEX-A53 64bit Quad-Core 2.0G RAM 2G  Flash ROM 16G micro SD/TF port (Max up to 128G) Data Communication WI-FI Support IEEE802.11 a/b/G/n protocol, it need effective wireless LAN signal cover FDD/TDD-LTE 4G TDD-LTE (B38,B39,B40,B41),FDD-LTE (B1,B3) WCDMA 3G B1,B2,B5,B7,B8 GSM 2G GSM/edge/GPRS (850,900,1800,1900MHz) bt Support bt 2.0+EDR/3.0+HS/4.1+HS, transmission distance is 5-10m Standard Modules Camera 8MP autofocus camera with flash GPS Support A-GPS Operating Environment Operating -20°C to 55°C Storage Temperature -25°C to 70°C Environment Humidity 5%RH-95%RH(no condensation) Drop Specifications 6 sides can bear impact from 1.5m drop to cement floor in the range of operating temperature Roll Specifications 1000 times/0.5m, roll on 6 sides contact area Sealed Environment IP66 1D Laser Scanner (OPTIONAL) 1D Laser Scanner Symbol 955, HoneywellN4313,Mingde966 Resolution 4Mil minimum width Ambient Light 10000ft.candles(107640 lux) Scanning Speed 104(±)12/sec (bothway) Scanning Angle 47o±35o(Standard) / 35o±3o(narrow angle) Support Bar Code Type UPC/EAN, Code128, Code39, Code93,Code11, Interleaved 2 of 5, Discrete 2 of 5,Chinese 2 of 5, Codabar, MSI, RSS 2D CMOS (OPTIONAL) CMOS Scanner Honeywell N6603,NewLand 3096 The Sensor Resolution 752(level)×480(vertical)pels(gray level) Ambient Light All dark 9000ft.candles/96900 lux focus element (VLD) 655nm ± 10nm Support bar code type PDF417,MicroPDF417,Composite, RSS,TLC-39, Datamatrix, QR code, micro QR code,Aztec, MaxiCode; Postal Codes: US PostNet,US Planet, UK Postal, Australian Postal, JapanPostal Dutch Postal (KIX)3 NFC Reader (Optional) Frequency 13.56MHz Protocol ISO/IEC 18092 (ECMA 340) Range 2-4cm