Digital Circuit Tester 3-49V

• 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