... 8" Touch screen HMI Display with HDMI,DVI,AV, LED backlight*Backlight LED, * VGA,HDMI,&AV*4 wire resistive touch screenGerman ... cd/m2)250Contrast500:1Typical reaction time Tr; Tf (ms)10/15Visual Angle horizontal, vertical (°)140;120Working power (V)12 ... , 1xserial portTouch-panel-driverWindows, Linux, AppleTouch life (contacts)> 10 000 000Response time touch-panel (ms)< 10Surface hardness3HInput force ( ...