... 52", 55", 57", 60", 63", 65", 70", up to 103". Screen Parameter Transmittance≥92%, 100% max (without Glass ... SupplyDC 5V ± 5%, 270mA~290mACommunication InterfaceUSB Port or RS232 (Plug & Play, No Drive) Communication Distance25Meter Software ... resistant • Maintenance free, longer life expectancy • Fault tolerance design to ensure reliability • Versatile touch object • Super transparency • Integrated ...