Power Probe Limited Edition Power Probe 9FTC Circuit Tester includes the following features and benefits: it can instantly and safely power up, or ground components with the press of the rocker switch. It has a built in voltmeter that reads DC voltage in 1/10 volt increments from 1 volt-70 volt dc. It can perform voltage drop test without having to grab the multimeter. It has a 20 feet cable that allows one to power up and ground any circuit from bumper to bumper without the need for jumper leads. It has new easy to read dual polarity indicators: a red plus sign indicates positive and a green minus sign indicates negative. The kit includes: power up components, audio tone, voltmeter, 20 feet jumper lead set, bad ground indicator, continuity tester, short circuit indicator and relay and component tester.