We are one of the leading manufacture of touch screen in CHINA,we have many years experience in this particular line of business.we also sale brand 3M,ELO,FUJISTU,GUNZE touch screen.Anything you interested please feel free to contact.We will provide you quality product and best services. product information: Outside Dimension278mm*213mmViewing Area253mm*192mmActive Area250mm*188mmSurface Hardness3HOptical Clarity80%↑Operating Temperature-10 60Endurance Test StrikesOverlmillionOperating VoltageDC5VResistance200Ω 900Ω Lineraity1.5%Faceplate SurfaceAnti-glare coating.glare coatingFilm Thickness0.1mmClass Thickness1.7mmOperation Pressure20g 150gStorage Temperature-30 80Message Noise5m sec 15m secOperating Current5mA 25mAHumidity<95%Isolation Resistance20MΩ↑@ DC25VSealable againstdust,water,oil,static