... " Openframe LCD SAW touchmonitor Both RS232 and USB interface FCC,CE,CCC,RoHS certificated Dust-proof Metal Plate frame Model No ... )OSD ControlButtonsAUTO,+,POWER,-,MENUFunctionBrightness, Contrast Ratio, Auto-adjust, Phase, Clock, H/V Location, Languages, Function, ResetTouch screen Type12.1” ... InterfaceUSB and RS232CertificatesETL ,FCC,CE,RoHS Openframe touch LCD monitor with 12.1"SAW Touch screen