<b>Boak Professional 3-60V Digital LED Circuit Tester: </b><br> Designed for car electrical circuits,automotive battery, battery charging systems,ignition systems,which is a must have tool for any automotive engineer ,electronic engineer or circuits DIY . <p> <b>Higher Voltage Accuracy: </b><br> Our brand Circuit Tester can reach higher voltage accuracy with ±(1%+3digits)V, and the digital screen can display polarity with different color LED, GREEN for Positive, RED for Negative. <p> <b>Long Spring PU Wire and Large Alligator Clip: </b><br> Heavy duty 102 inch long enough PU spring wire with large size alligator clip for easy one hand operation. <p> <b>Specification : </b><br> Measuring Range: DC 3-60v<br> Resolution Ratio: 0.1V<br> Voltage Accuracy: ±(1%+3digits) <br> Display: LED digital display<br> Probe: Sharp Stainless steel<br> Test Wire: Maximum 2.6m<p>