All DSE controllers used on the Marapco range will give you information on the following: Engine Oil Pressure, Engine Coolant Temperature, Engine Speed, Battery Voltage and Battery Charging alternator Voltage, AC Voltage (L-L, L-N), AC Current, AC Kw’s, Frequency, Power Factor and many more depending on the Controller type fitted. You will get enhanced engine data when used with compatible electronic engines that support CANbus.