Digital Circuit Tester

Heavy-duty circuit tester with digital LCD display to accurately show DC voltage .Two LEDs provide 360° visibility of polarity: red light indicates positive polarity, green indicates negative polarity .12' coiled cord .Heavy-duty alligator clamp for secure connections .Probe is insulated to reduce the possibility of short-circuit with other components .Computer safe .Will not damage sensitive electronic components .Operating range 3-49 volts DC to work on most vehicle electrical systems