... Specification: 1.Powerful Computer : PC: Intel D525 1.8GHZ processor, TCP/IP protocol, 2GB RAM DDR2 250GB SATA HD, Industrial motherboard, with ... %Surface hardness: 7 MoHs scale Lifetime: 50,000,000 times at one single location Response time: less than 16 ms 4 ... keyboard, digital keyboard with 16 keys2. Bluetooth connection, 3G modem, GPRS, Wifi3. QR code reader, finger print reader4. UPS(10~20mins ...