12.1" Openframe LCD SAW touchmonitor Both RS232 ... voltage: 100-240 VAC, 50-60 HzOutput voltage/current: 12 volts at 4 amps maxEnvironmentOperating Temp.0~50°CStorage Temp ... OSD ControlButtonsAUTO,+,POWER,-,MENUFunctionBrightness, Contrast Ratio, Auto-adjust, Phase, Clock, H/V Location, Languages, Function, ResetTouch screen Type12.1” ... ,FCC,CE,RoHS Openframe touch LCD monitor with 12.1"SAW Touch screen