Features and Benefits: * 20" jumper lead set * Bad ground indicator and short circuit indicator * Continuity tester * Relay and component tester * Built in flashlight Easy to read backlit Voltmeter allows you to read voltage at the tip eliminating wasted time running to your toolbox for a voltmeter! Standard 4mm jacks ensures full compatibly with our Gold Series Lead Set as well as all other 4mm leads, plugs and jacks already in your tool box. Press the rocker switch forward and you’ll have a hot lead for powering up electrical components like cooling fans, relays, press the switch rearward and you will have an instant ground lead. The polarity tester instantly identifies positive, negative and open circuits. Instantly check continuity of switches, relays and diodes.