Product performance Operating system: Window CE 6 Samsung CPU: S3C2451533MHz Memory: 64MB/128MB DDR2 optional Memory: 128MB-2GB Nand Flash Extended memory: the maximum 4GB T-flash card Liquid crystal display: 2.8 inch TFT RGB LCD Resolution: 320 x 240 Touch screen: resistance The wireless communication module: customers can be preselected one of GPRS/CDMA Barcode gun: optional 1 dimension /2 dimension scanning gun (optional) Digital camera: 3000000 pixels (optional) Buzzer: The optional RFID:13.56Mz, at the same time, the optional 125KHz/134.2KHz/915MHz RFID read head of Printer: 58mm thermal printer, paper roll diameter 20mm SIM card: 1 PSAM card: 1 optional The small keyboard number keys and function keys: 24 Chinese characters : touch screen handwriting External socket: Mini USB Device a serial socket 1, a charging socket 1 Battery: 7.4V, 1600mA lithium polymer battery, continuous scanning for more than 8 hours, 80 hours standby Power supply: 9V, 3A power adapter