1,handheld POS printer(2D bar code scanner) 2,Extend hardware options: GPS, camera, RFID,Etc. 3,magnetic card reader handheld ... charged state, can retain data for 4 hours, to prevent accidental data loss and other power 5. Extend hardware options: GPS, camera, ... also can be operated under high / low temperature10.High-capacity data processing: with 512M ROM memory, 128M RAM and 533MHz CPU memory ...