[Car Truck Circuit Test Pen]Circuit Tester compatible 6-24V DC Systems, used to detect power, ground and find shorts and breaks in wires. Designed to check car truck and vehicle electrical circuits,used compatible power failure test, induction test, voltage test. [Material]Automotive Circuit Tester made of PVC . not only can provide a Replacement compatible your life,but 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 store, you can store this tool in your car easily. [Widely Use]This probe pen is perfect compatible checking circuits, fuses, switches and wiring on automobiles, trailers, boats, motorcycles and other low voltage systems. Connect the alligator 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 products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.