Power Probe PPR II with ACC01 includes the following features and benefits: power up components; a 20 feet jumper lead set; a bad ground indicator. It also has a continuity tester and a short circuit tester. It also includes relay and component tester. When the power probe is connected to the car battery there will be a multitude of testers at your fingertips. With the press of a switch there will be instant hot lead or ground lead. Use the probe tip and ground lead simultaneously to power up components right in your hand. Components can be instantly checked for continuity as well as to identify positive, negative and open circuits without re-polarizing hook up clips. Shorts can be located without wasting fuses.