High quality,sensitive to touch,resistant,high resolution,competitive price,12",15",17",19" ... 2MBrightness150cd/m2250cd/m2300cd/m2350cd/m2Manifestation typeVGA TFTLCD MTBF50,000 HoursBack light MTBF25,000 HoursFrequencyHorizon: 25~65 KHzPerpendicular: 56~75 ... Mounting, Desktop VESATouch ScreenTouchKit 5-Wire / 4-Wire Resistive Touch ScreenTouch Screen ControllerUSB/COM optional Maple 10.4"-22" Flat ...