[PREMIUM QUALITY] Automotive circuit tester probe made of metal, designed for threading with a large alligator clip for convenient one-handed operation. It can reach tight and hard-to-access areas. The ABS body offers superior durability and is shatter-resistant. Features a 47-inch PU wire that provides heat insulation, wear resistance, and high tensile strength for reliable performance in car circuit testing.[WIDE APPLICATIONS] 6-24V automotive screwdriver test light, ideal for various circuit testing applications in vehicles. Suitable for battery testing, headlight testing, brake light testing, checking fault connections, and injector signal testing. A versatile tool for automotive electrical diagnostics.[TESTER LIGHT BULB] Equipped with a high-visibility LED bulb for clear indication of circuit status. The 3W lamp brightness varies with measured voltage and ensures long service life. The LED is replaceable for extended usability.[BIDIRECTIONAL TESTING] Alligator clamp can be connected to either negative or positive ground. When the probe touches the opposite terminal, the red LED illuminates for positive detection and the green LED lights up for negative detection, enabling quick and accurate polarity identification.Color: Red + Green Material: Metal + ABS LED lights: Red and Green Package Contents: 1 x Automotive Circuit Tester Note: The actual color may vary slightly due to lighting and display differences. Measurement may vary by +/- 1-3 cm.