... .Give audible and visual alarm Gear Box Monitoring Instrument [RPM, MPa, Temp] Item: Gear Box Monitoring instrumentModel no.:YD-120Feature:1 ... ) readout: RPM, Oil pressure(MPa),Oil Temperature (°c), Water Temperature (°c)2) Give audible and ... More details, pls contact us !! Gear Box Monitoring Instrument [RPM, MPa, Temp]