ITEM NAME:DC 6-24V Auto Car Light Circuit Tester Lamp Voltage Test Pen Detector Probe 3C Specification: The unique long-life light tube, not produce heat, comfort and safety lnnovative flexible wire lead has good tensile strength Small volume, compact structure, equipped with a clip, convenient to carry and use Testing Range: DC 6V-12V-24V Material: Copper Tester Length: approx. 10.7cm Cable Length (Unstretched): approx. 62cm Note: You must not operate this tester beyond its testing range. Package includes: Â 1x Car Circuit Tester.Tester Length: approx. Note: You must not operate this tester beyond its testing range. The unique long-life light tube, not produce heat, comfort and safety. Testing Range: DC 6V-12V-24V.