Digital Circuit Tester 3-30V

LS29050 Digital Circuit Tester 3-30V <p>Heavy-Duty Circuit Tester with Digital LCD Display to Accurately Show DC Voltage.</p><ul> <li>Operating range of 3-30 volts DC to work on most vehicle electrical systems. 360° visibility of polarity.</li> <li>The red light indicates positive polarity, green indicates negative polarity.</li> <li>Long, 12ft. coil cord and heavy-duty alligator clamp for secure connections.</li> <li>The probe is insulated to prevent the possibility of shorting the side of the probe to other components</li></ul>