... )Video Signal Input ConnectorMini D-Sub 15-pin VGAFrequency(H/V) 30~80KHz / 60~75HzPower Supply Type: External brickInput (line) voltage: 100 ... ControlButtonsAUTO,+,POWER,-,MENUFunctionBrightness, Contrast Ratio, Auto-adjust, Phase, Clock, H/V Location, Languages, Function, ResetTouch screen Type15" SAW 4mm or 4mm ...