... of LCD products 15-32 inch LCD touch screen monitor,TFT LCD monitor,Flat screen monitor ,zhendong is professional manufacturer of LCD products, including LCD CCTV monitor, LCD waterproof TV, LCD DID ... 850Response Time8msField frequency50Hz,60Hz,70HzInput & OutputD-15RGB(VGA)input1DVI-D\I(optional)1IR screen systemTouch Resolution4096×4096Connect modelUSB,RS232Glass PropertiesSteel,Luminousness ...