LCD Touch screen monitor Technology Specs: LCD size: 22”TFT monitor Brightness: 300nits Resolution: 1280×1024 Touch screen: 4 wire 19” Resistive touch screen Signal input: VGA Cover color : black Controller: USB/com for option Response time: 5ms Contrast Ratio: 800:1 View angle: 167/170 (H/V) 4 Wire resistive touch panel specsThickness: 1.5mm-3.1mm Hardness:4H Transmittance:85% Operating Temperature:0ºC-65ºC Operating Pressure:15g-70g Operating Voltage:DC5V Transmission interface: RS-232/USB Operating Current: 5ma-24ma Transfer Rate:9600 Baud Impedance: 300hms/o The average displacement Error:< 5% Resolution:4096*4096 Touch life: ove5000 millions Storage temperature:-20ºC--+70ºC Application: MS-DOS,Windows98NT,Windows 2000 XP