3-72V wide test range: car test light is upgraded to 3-72V voltage test range, which is wider than most test lights on the market. This automatic circuit is Perfect for checking the circuits of various vehicles such as car headlights, taillights, , car batteries, and more. It can also be d to measure other 3-72V DC circuit syst.LCD Backlit Dial Display and LED Indicator: The circuit combines an LCD dial backlit display with an LED red/green indicator light design, ing it easier to read the voltage value of the screen and distinguish the positive and negative poles.Extended spring wire and anti-lost probe cover: Compared with ordinary wires, the car light is equped with high-quality spring wire that can be stretched to 141.74 inches, ing maintenance and work more portable, convenient and faster. Instead of constantly searching for a suitable surface, you can test from the front to the rear of your car. In addition, the integrated design of the anti-lo cover ensures that no matter where you go, it will not be punctured and lost.Overload warning and alarm: This car light will e a sound when d, and the light in front of the handle es it easy for you to identify. In addition, this test lamp also has an over-voltage reminder function. When you it on 72V DC, the LCD screen will display "OL" and the red LED light will light up. Please stop testing immediately!Colour:As ShownMaterial:ABSPackage Contents:1 set x test lightOnly the above package content, other products are not included.Note: Light reflection and different displays may ca the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.