JIMCOM Circuit Tester, 6V/12V/24V Test Light Automotive Truck Car Electrical Circuit Continuity Tester Test Light Indicator with Pen Tool Electrical System Tester\n\n-- CAR TRUCK CIRCUIT TEST PEN -- Professional automotive circuit tester / circuit test light for testing circuits from 6v/12v/24v Light in the handle illuminates when the circuit connection is complete. Lightweight and easy to carry.\n-- MATERIAL-- Carbon steel handle Line length: approximately 103cm, clip length: approximately 128cm, stainless steel probe, used in restricted areas that are difficult to reach. The test lamp body is made of high-quality ABS, which is more sturdy and durable than ordinary test lamps\n-- SAFE TO USE -- Fitted with a solid copper clip and insulated protective cover for better grip on the body and screws, insulated to protect against electric shock. The circuit board has wiring protection for added safety.\n-- Quickly check automotive headlights, taillights, turn signal circuits, faulty socke.