... are a professional supplier of resistive ,capacitive ,SAW ,and IR touch screen. Brand: 3M, ELO, GUNZE, FUJISTU ,WINTOUCH. 1 quality control :all ... Sizes for TouchTouch : Ø2.5mmStylus : Ø3mmTouch IntensityOver 50,000,000 single point touchTemperature(Sensor)Operating -20 °C to 50 °CStorage-40 ...