• Heavy-Duty Circuit Tester with Digital LCD Display to accurately show DC voltage
• Operating range of 3-49 volts DC to work on most vehicle electrical systems
• 360° 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
(California Prop 65)