70" IR Touch Screen Open Frame Touch Accuracy:1. ... , No Drive Long Life Time, No Touch Limit 70" IR Touch Screen AMH-T70 inch is designed to be ... Seminar, Home Entertainment, & Recreation, etc. AMH offers various sizes IR touch Screen from 19", 22", 26:, 32", 37", 42", ... GNDConnectorUSB A Port connector for cableTemperature RangeOperating -40°C~70°CStorage -40°C ~80°CHumidityOperating 0%-85%, non ...