This circuit probe is made of pure steel, hard, and will not bend. The body is equipped with three lights, using small bulbs commonly used in automobiles. Every auto repair shop has stocks for easy replacement. The bulb has high visibility and a long service life. The brightness of the upper 3W lamp can vary depending on the measured voltage. The large clip is convenient for fixing the battery head and body to the ground. There is an auxiliary probe on the back of the clip, which is convenient for inserting the plug and using the main probe for testing at the same time. High-strength flexible lead. Lightweight and , with strong thermal insulation, abrasion resistance and tensile strength. The banana to crocodile test lead is made of high-quality copper material, flexible and . The threading probe can be easily connected to the 4mm banana plug test line. Very suitable for metal piercing. There is no need to strip the cable and it will not damage the cable. The automotive circuit tester