1,handheld POS printer(2D bar code scanner) 2,Extend hardware options: GPS, camera, RFID,Etc. 3 ... : POS printer.Camera: 5 megapixels, automatic focus.Bar code scanner: 1D/2D bar code scanning.GPS: yes.Wi-Fi 802 ... /Mobile Printer/Embedded Printer*Magnetic Card Reader & Writer/MICR Check Reader*Smart Card Reader & Writer/RFID Card Reader*Smart ... OEM/ODM Services handheld POS printer(2D bar code scanner)