DMiotech Digital Multimeter DMM Car DC / AC Voltmeter Ohmmeter Ammeter Tachometer Dwell Engine Analyzer Tester Multi Meter Designed to safely and accurately troubleshoot a variety of automotive and household electrical problems It has an CE Marking approval from European Directives for complying with the essential health and safety requirements It also has an over voltage installation category compliance to IEC 61010-1 designed to protect against transients The equipment is protected throughout by double insulation or reinforced insulation This meter can also be used to measureEngines RPM,Dwell Angle. An ideal measurement tool for automotive repair and service