... touch screen lcd display 1.VGA,USB and serial port optional 2.professional factory supply 3.stable quality,with CE,ROHS 15" touch screen lcd ... relative humidity:10% to 90%Touch model4-wire resistive touch (5-wire resistive touch,SAW,Infrared touch optional)Duration50000hourstouch validity>1,000,000Net ... 7",8",10.4",12",15",17",19",22" touch screen monitor available,any inquiry and need,welcome to ...