1 provide ComAp generator controller 2 good quality & short delivery 3 Less wiring ... Voltmeter, frequency meter, Ammeter, output(kw/kva), hourmeter, oil pressure, water temperature, Engine speed, mains frequency, battery voltage, fuel level ... , Over-/under voltage, Voltage asymmetry.3) Analog oil pressure, water temperature, fuel level, battery voltage, engine speed. intelligent generator controller