Multifunction Car Instrument Tachometer Temperature Hour Meter Auto Accessory Condition: 100% NewItem Type: Car InstrumentMaterial: ABSColor: As picture shownFunction:It can work on any 2 or 4 stroke gas engine up to 8 cylinders. It has a powerful temp system, RPM measuring system, timing system, as well as some other unique function design.Temp Measuring System Including: Measuring current temperature,MAX Temp and setting over temperature warning function, temperature unit display can be set by user, temperature sensor type can be select by user, etc.RPM Measuring System Including: Measuring current engine RPM, recording and viewing engine maximum RPM, and setting overspeed warning function, RPM refreshed rate 0.5S ,etc. Timing System Including: Accumulating total running hours TOT, recording partial running time, maintenance timer can be set freely to 0-200 hours SVC, etc.