Uni-T UT101 Automotive Digital Multimeter with Dwell and Tarchometer for cylinder 3,4,5,6,8 All-around meter designed for automotive testing, trouble-shooting & household electrical problems AC/DC Voltage, AC/DC Current 10A, Resistance, Continuity, Diode & Transistor Check Dwell angle & tachometer measurement, number of cyclinders selectable, 3/4/5/6/8 Diode, Resistance and Continuity Test One-year manufacturer's warranty