... Gear Box Control Equipment 1.Readout:RPM, pressure,oil temp,water temp 2.metal material,good quality 3.complete with sensors Gear Box Control Equipment Item: Gear Box ... Monitoring instrumentModel no.:YD-120Feature:1) readout: RPM, Oil pressure(MPa), ... c)2) Give Sound and light alarm, when Rpm, oil pressure, exceed or less than settings. ...