50" IR Touch Screen Open Frame Touch Accuracy:1.5mm USB ... AMH-T50 is designed to be integrated into micro industries 50 inch touch monitor, which is well appropriate for the wide applications ... touch Screen from 19", 22", 26:, 32", 37", 42", 47", 50", 52", 55", 57", 60", 63", 65", 70", up to 103 ...