Sodcay 1 PC Car Digital Electric Pen, 6V-12V-24V DC Car Circuit Tester Light, Test Light with 5.9Ft Extended Spring Wire, Car Truck Vehicle Circuits Low Voltage Tester Probe (Red)

🚘 Special Design: Adopt the integrated structure design of the probe protection cover, needle guard function is added to ensure that there will be no stab wounds and the guard will not be lost. Convenient to carry and take it wherever you go.. 🚘 Function: The power circuit probe kit designed with LCD digital voltage display for accurate volt readouts. It can be read accurately in daytime or dark areas. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas. Along with insulation protective rubber tip to against electric shock.. 🚘 Computer Safe & Durable: The professional auto circuit tester has a built-in circuit board chip, which is safer and more durable than traditional test lights and prevents the car computer board from burning out. Anti-bending design of the tail wire, no need to worry about bad contact of the line.. 🚘 Universal Fit: This professional automotive duty circuit test light designed to test 6V-12V-24V DC voltage. Can be used to detect power, ground and find shorts and breaks in wires. Quickly check automotive headlights, taillights, turn signal circuits, faulty sockets, connections, fuses, broken wires and more.. 🚘 Easy to Use: Extra long 5.9Ft PU spring wire increases flexibility, range, and freedom when testing. A sharp stainless steel probe with protective rubber tip can reach into tight places and pierce insulation. Compared to cable wires, coil spring wires are lighter and easier to carry. This does not need to take up too much space in your toolbox or any storage area, it is convenient to use anytime, anywhere.. 🚘Testing work:Confirm the parts to be tested, connect the crocodile clip of the testing pen to the negative or positive ground, and use the probe to contact the other side. There is a bidirectional LED on the circuit board for polarity indication, with red light indicating positive polarity and green light indicating negative polarity. After completing the above operations, the circuit board will display the LED digital voltage reading clearly.