Heavy-Duty Circuit Tester with Digital LCD Display to Accurately Show DC Voltage with a Operating range of 3-49 volts.

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, 11ft 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
Operating range of 3-49 volts DC to work on most vehicle electrical systems
Two LEDs provide 360 Degree visibility of polarity