Read more Why choose this? Jastind professional digital Circuit 3-48V DC Tester 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. Large Size Heavy Duty 3-48V Digital LCD Circuit Tester Test Light with 140 Inch Extended Spring Wire,Car Truck Low Voltage & Light Tester with Stainless Probe JASTIND professional digital Circuit 3-48V Tester 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 . Measuring Range: DC 3-48v Resolution Ratio: .1V Voltage Accuracy: 0.5V Display: LCD digital display Probe: Sharp Stainless steel Test Wire: Maximum 140 Inch Read more Easy and must have tool Voltage Testing Used to test battery and automotive circuits voltage, when use this test light, do connect the Alligator Clip to the ground. Fuse Test Connect the alligator clip to the ground, use the probe to touch wires or fuse to diagnose short circuit or broken circuit. Backlight Display LCD digital display with white backlight, easy read and convenient to use in the dim light. Read more High quality construction Heavy duty acetate fiber body Constructed with acetate fiber, high toughness and shatter-proof. Extended spring cord Portable 140 In long enough PU spring wire for easy operation. Sharp stainless steel probe Made with sharp stainless steel probe for piercing wires, for hard to reach areas. Large alligator clip Large size alligator clip for easy and one hand operation. Read more