[Car Truck Circuit Test Pen]Circuit Tester for 6-24V DC , used to detect power, ground and find shorts and breaks in wires. Designed to check car truck and vehicle electrical circuits,used for power failure test, induction test, voltage test. [High Quality Material]Automotive Circuit Tester made of PVC .Good quality not only can a Replacement for your life, also good materials can increase product life. [Electrical Tester Pen]The digital display allows you to see the test results more clearly, give you a better using experience.Light in handle glows when circuit connection is complete. [Portable Size]This car circuit tester has portable size and easy to , you can this tool in your car easily. [Widely Use]This probe pen is perfect for checking circuits, fuses, switches and wiring on automobiles, trailers, boats, motorcycles and other low voltage . Connect the clamp to the ground, then take the probe to test circuit. If the indicator light is on, there is electricity. Colour:Photo Color Material:PVC Package Contents: 1 X Car Test Pen 1 pair X gloves Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.