Heavy-Duty Digital Circuit Tester

Heavy-duty circuit tester with digital LCD display to accurately show DC voltageOperating range of 3-49 volts DC to work on most vehicle electrical systems360° visibility of polarityThe red light indicates positive polarity, green indicates negative polarityLong, 12ft. coil cord and heavy-duty alligator clamp for secure connectionsThe probe is insulated to prevent the possibility of shorting the side of the probe to other components