... protocol,sound Card, video card,etc.Screen19” LCD display,32bits true color,resolution 1280*1024High Lum,Lum≥300cd/m2,180°deflection ... .Dustproof, waterproof, explosion proof, accurate positioning, no driftOperation sensitivity≤80g,response speed≤10.4ms,resolution 4096*4096Mohs’ scale of hardness : level ...