... No Drive Long Life Time, No Touch Limit 57" IR Touch Screen AMH-T57 is designed to be integrated into ... , Seminar, Home Entertainment, & Recreation, etc. AMH offers various sizes IR touch Screen from 19", 22", 26:, 32", 37", 42", 47 ... ~290mACommunication InterfaceUSB Port or RS232 (Plug & Play, No Drive) Communication Distance25Meter Software Operation System WINDOWS 2000/2003/XP/Vista & LINUXScanning ...