57" IR Touch Screen Open Frame Touch Accuracy:1.5mm USB Port/RS232, Plug Play, No Drive Long Life Time, No Touch Limit 57" IR Touch Screen AMH-T57 is designed to be integrated into micro industries 57 inch touch monitor, which is well appropriate for the wide applications, like Business, Commercial, Education, Presentation, Seminar, Home Entertainment, & Recreation, etc. AMH offers various sizes ...