* Check 6 to 24v system
    4 modes can be selected
* Voltage meter
* Locate missing cylinders
* Measure rotational speed (frequency of high tension ignition pulses)
* Peak detection
* Test automotive electrical system within 6 to 24v
* Determine polarity and circuit circumstance (short/open)
* Activate components w/ +/- current w/o jumper wire
* Test voltage & continuity of circuit
* Led illumination
* Includes: cigarette lighter adapter,hook-up clip, extension rpobe(85mm),20ft lead