... Touch Screen Accuracy 1.5mm, Long Life RS232/USB Port, Plug Play No Drive IP65, Waterproof, No TouchLimit Multitouch 19" IR Touch ... very competitive to offer various IR Touch Screen from size 17", 19", 22", 26", 32", ... 37", 42", 47", 50", 55", 57", 60", 63", 65", 70", etc. Screen ... FormatCoordinate OutputOptical Element Pace5.97mmMinimum Touch body Diameter>5mmResponse Speed16ms— ...