Gear Box Control Equipment 1.Readout:RPM, pressure,oil temp,water temp 2.metal material,good quality 3. ... Box Monitoring instrumentModel no.:YD-120Feature:1) readout: RPM, Oil pressure(MPa),Oil Temperature (°c), Water Temperature (°c)2) Give Sound ... and light alarm, when Rpm, oil pressure, exceed or less than settings. each velue's level is adjustable for users.3) metal ...