Lisle 28830 Digital Circuit Tester (3-48V)
- Operating range of 3-49 volts DC to work on most vehicle electrical systems.
- Two LEDs provide 360 Degree visibility of polarity.
- The red light indicates positive polarity, green indicates negative polarity.
- Long, 12ft coil cord and heavy-duty alligator clamp for secure connections.
- The probe is insulated to prevent the possibility of shorting the side of the probe to other components Computer safe.