This automotive wiring circuit tester pen is ideal for testing circuits, fuses, switches, and wiring in cars, trailers, boats, motorcycles, and other low-voltage systems. | Connect the clamp to the ground, then take the probe to test the electrical circuit. The light in the handle lights up when the electrical circuit connection is complete and there is electricity. | The sharp steel probe easily penetrates wire insulation to test electrical circuits. This 12V electrical wiring circuit probe is ideal for testing electrical circuits, fuses, switches, and wiring in cars, trailers, and boats. It is widely used to test electrical circuits from 6V to 24V. | Widely Applicable: This probe pen is ideal for testing circuits, fuses, switches, and wiring in cars, trailers, boats, motorcycles, and other low-voltage systems. | Indicator Design: The light in the handle lights up when the circuit connection is complete; if the indicator light is on, there is electricity. | Test Circuit Range: Test a range of circuits from 6V to 24V; Lightweight design is very convenient to carry. 【From Kaber Trade ✅】 .. If you received the order and it is in good condition and as described and pictures, we would be grateful if you left us a positive feedback of 5 stars. If you encounter any problems, please contact us on our phone or WhatsApp number on the seller details page (click on the seller name to access the seller details Kaber Trade)