Features adopts items of advanced technology Stylish, Innovative and Practical Widely used in retail, manufacturing, postage, logistic, medication, assets management, warehouse, library, supermarket, exhibition and etc. Hardware Description CPU 32bit ARM9-core microprocessor Memory 2M (programming) for data search & storage 8M (data), expandable to 16M/32M DRAM 8M RAM Display 160 x 160, FSTN COG sealed super-thin LCD with backlight Safety Module IC card SAM encrypted authentication Keypad numbers + function keys + accessorials Communications RS-232, max. 115200bps IrDA1.1 433Mhz GPRS (900/1800/1900M) USB (optional) Options CF card slot SD card slot Non-contact card module or RFID module (supports ISO 14443A standard or ISO 15693 standard) Barcode Scan Module Supported barcodes UPC-A/UPC-E/EAN(8,13,128)/CODE (128,39,93)/post 25, etc. Scan rate 78scans/sec. Scan distance 10-520mm Scan width contact: 250mm(max) Resolution 0.15mm(min) High resolution 0.125mm(max) Battery 1800mAh lithium batteries SDK Windows interface; C language; windows2000 / windows XP system supported dimension 185mm(L)*170mm(W)*35 mm(H) weight 280 g