... : ±<1.0%4 Surface Hardness Mohs' hardness rating of 75,Lifetime: >50 000 000 timesSingle point6.Operate: win9x/ win2000/XP,etcTFT ... :14 Response time: 5msEmbedded ComputerCPUIntel E4300 CPU,250GHDD,RAM 1G,Network Card, Greatwall P4 power supplyNetoptouchmetallic lacquerCabinetSteel Frame, including Control pane ...