... unbelievable high quality uninterruptive service Touch screen features: Optional size15" 17" 19" 22",26'', 32”,37”,42”,52” etc Touch screen ... A LCD monitor: Brand:LG or SUMSUNG /AUO EtcSize: 15" 17" 19" 22" ,26i''32”,37”,42”,52” etc Aspect ... 1.60m different from the models (customized)Working environment: temperature +0-+40, relative humidity 10%-90%Control System: Integrated Circuit ControllerBasic ...