Etekcity Digital Multimeter (DMM) Multi Tester Voltmeter Ammeter Ohmmeter - AC/DC Voltage, DC Current, Resistance, Continuity, Diodes, hFE Tester with Backlit LCD(2Pack) Designed to safely and accurately troubleshoot a variety of automotive and household electrical problems Accurately measures current, voltage, resistance, and more Diode assembly test / Transistor P-N junction test/Transistor hFE test Overload protection on all ranges. Sampling 2/3 times readings per second Featues Data Hold and an easy-to-read large Backlit LCD display